What is gbpsv.exe?

gbpsv.exe is part of Gbp Service and developed by GAS Tecnologia according to the gbpsv.exe version information.

gbpsv.exe's description is "G-Buster Browser Defense - Service"

gbpsv.exe is digitally signed by GAS INFORMATICA LTDA.

gbpsv.exe is usually located in the 'C:\PROGRA~2\GbPlugin\' folder.

Some of the anti-virus scanners at VirusTotal detected gbpsv.exe.

If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.

Vendor and version information [?]

The following is the available information on gbpsv.exe:

PropertyValue
Product nameGbp Service
Company nameGAS Tecnologia
File descriptionG-Buster Browser Defense - Service
Internal nameGbpSv
Original filenameGbpSv.exe
Comments
Legal copyrightCopyright © 2003-2015, ® GAS Tecnologia
Legal trademarkGbpSv
Private build
Product version3.9.3.0
File version3.9.3.0
Special build

Here's a screenshot of the file properties when displayed by Windows Explorer:

Product nameGbp Service
Company nameGAS Tecnologia
File descriptionG-Buster Browser Defense - Service
Internal nameGbpSv
Original filenameGbpSv.exe
Comments
Legal copyrightCopyright © 2003-2015, ® GAS Tecno..
Legal trademarkGbpSv
Private build
Product version3.9.3.0
File version3.9.3.0
Special build

Digital signatures [?]

gbpsv.exe has a valid digital signature.

PropertyValue
Signer nameGAS INFORMATICA LTDA
Certificate issuer nameVeriSign Class 3 Code Signing 2010 CA
Certificate serial number305ba2dd88fe398d8cf90790c9d266ba

VirusTotal report

3 of the 69 anti-virus programs at VirusTotal detected the gbpsv.exe file. That's a 4% detection rate.

ScannerDetection Name
APEX Malicious
VBA32 BScope.Trojan.Zpevdo
ViRobot Trojan.Win32.Agent.590048
3 of the 69 anti-virus programs detected the gbpsv.exe file.

Sandbox Report

The following information was gathered by executing the file inside Cuckoo Sandbox.

Summary

Successfully executed process in sandbox.

Summary

{
    "dll_loaded": [
        "rpcrt4.dll",
        "kernel32.dll",
        "C:\\Windows\\system32\\advapi32.dll",
        "ntmarta.dll",
        "C:\\Windows\\system32\\kernel32.dll"
    ],
    "file_opened": [
        "C:\\",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\71eb0797db8de8ff5a9fe84b5568cd728b4b089537e4e1b5fd55b42de8b3fa07.bin"
    ],
    "regkey_opened": [
        "HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\LSA\\AccessProviders",
        "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows\\CurrentVersion",
        "HKEY_LOCAL_MACHINE\\Software\\Policies\\Microsoft\\Windows NT\\Rpc",
        "HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Services\\LDAP",
        "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders",
        "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Rpc"
    ],
    "file_exists": [
        "C:\\Program Files (x86)\\GbPlugin\\"
    ],
    "mutex": [
        "Global\\+Jlt2S4VXgMoGx0rMzt7cxrN9qV74PStmJBOAldl"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CustomLocale\\en-US",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\explorer\\Shell Folders\\Common AppData",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Rpc\\MaxRpcSize",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\Setup\\SystemSetupInProgress",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\LDAP\\UseOldHostResolutionOrder",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\LDAP\\LdapClientIntegrity",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\SQMClient\\Windows\\CEIPEnable",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\ProgramFilesDir",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\ExtendedLocale\\en-US",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\AccessProviders\\MartaExtension",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\LDAP\\UseHostnameAsAlias",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\Setup\\OOBEInProgress",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\ComputerName\\ActiveComputerName\\ComputerName"
    ],
    "directory_enumerated": [
        "C:\\Windows\\System32\\winlogon.exe",
        "C:\\Windows\\System32\\services.exe",
        "C:\\Program Files (x86)\\GbPlugin\\GbpSv.exe",
        "C:\\Windows\\System32\\svchost.exe",
        "C:\\Windows\\System32\\lsass.exe"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1598860386.34375,
        "ppid": 376
    },
    {
        "process_path": "C:\\Users\\cuck\\AppData\\Local\\Temp\\71eb0797db8de8ff5a9fe84b5568cd728b4b089537e4e1b5fd55b42de8b3fa07.bin",
        "process_name": "71eb0797db8de8ff5a9fe84b5568cd728b4b089537e4e1b5fd55b42de8b3fa07.bin",
        "pid": 2436,
        "summary": {
            "dll_loaded": [
                "rpcrt4.dll",
                "kernel32.dll",
                "C:\\Windows\\system32\\advapi32.dll",
                "ntmarta.dll",
                "C:\\Windows\\system32\\kernel32.dll"
            ],
            "file_opened": [
                "C:\\",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\71eb0797db8de8ff5a9fe84b5568cd728b4b089537e4e1b5fd55b42de8b3fa07.bin"
            ],
            "regkey_opened": [
                "HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\LSA\\AccessProviders",
                "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows\\CurrentVersion",
                "HKEY_LOCAL_MACHINE\\Software\\Policies\\Microsoft\\Windows NT\\Rpc",
                "HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Services\\LDAP",
                "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders",
                "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Rpc"
            ],
            "file_exists": [
                "C:\\Program Files (x86)\\GbPlugin\\"
            ],
            "mutex": [
                "Global\\+Jlt2S4VXgMoGx0rMzt7cxrN9qV74PStmJBOAldl"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CustomLocale\\en-US",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\explorer\\Shell Folders\\Common AppData",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Rpc\\MaxRpcSize",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\Setup\\SystemSetupInProgress",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\LDAP\\UseOldHostResolutionOrder",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\LDAP\\LdapClientIntegrity",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\SQMClient\\Windows\\CEIPEnable",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\ProgramFilesDir",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\ExtendedLocale\\en-US",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\AccessProviders\\MartaExtension",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\LDAP\\UseHostnameAsAlias",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\Setup\\OOBEInProgress",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\ComputerName\\ActiveComputerName\\ComputerName"
            ],
            "directory_enumerated": [
                "C:\\Windows\\System32\\winlogon.exe",
                "C:\\Windows\\System32\\services.exe",
                "C:\\Program Files (x86)\\GbPlugin\\GbpSv.exe",
                "C:\\Windows\\System32\\svchost.exe",
                "C:\\Windows\\System32\\lsass.exe"
            ]
        },
        "first_seen": 1598860386.609375,
        "ppid": 2736
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "Queries for the computername",
        "severity": 1,
        "marks": [
            {
                "call": {
                    "category": "misc",
                    "status": 1,
                    "stacktrace": [],
                    "api": "GetComputerNameA",
                    "return_value": 1,
                    "arguments": {
                        "computer_name": "CUCKPC"
                    },
                    "time": 1598860386.874375,
                    "tid": 2124,
                    "flags": {}
                },
                "pid": 2436,
                "type": "call",
                "cid": 128
            }
        ],
        "references": [],
        "name": "antivm_queries_computername"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "F:\\buildagent\\workspace\\root\\GbPlugin\\RB\\GbpSv\\src\\main\\GbpSv\\GbpSv.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "Checks amount of memory in system, this can be used to detect virtual machines that have a low amount of memory available",
        "severity": 1,
        "marks": [
            {
                "call": {
                    "category": "system",
                    "status": 1,
                    "stacktrace": [],
                    "api": "GlobalMemoryStatusEx",
                    "return_value": 1,
                    "arguments": {},
                    "time": 1598860386.859375,
                    "tid": 2124,
                    "flags": {}
                },
                "pid": 2436,
                "type": "call",
                "cid": 66
            }
        ],
        "references": [],
        "name": "antivm_memory_available"
    },
    {
        "markcount": 5,
        "families": [],
        "description": "The executable contains unknown PE section names indicative of a packer (could be a false positive)",
        "severity": 1,
        "marks": [
            {
                "category": "section",
                "ioc": "CODE",
                "type": "ioc",
                "description": null
            },
            {
                "category": "section",
                "ioc": "DATA",
                "type": "ioc",
                "description": null
            },
            {
                "category": "section",
                "ioc": "BSS",
                "type": "ioc",
                "description": null
            },
            {
                "category": "section",
                "ioc": ".gas0",
                "type": "ioc",
                "description": null
            },
            {
                "category": "section",
                "ioc": ".gas1",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_features"
    },
    {
        "markcount": 3,
        "families": [],
        "description": "Allocates read-write-execute memory (usually to unpack itself)",
        "severity": 2,
        "marks": [
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtProtectVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2436,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "length": 708608,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "base_address": "0x00401000"
                    },
                    "time": 1598860386.796375,
                    "tid": 2124,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE"
                    }
                },
                "pid": 2436,
                "type": "call",
                "cid": 8
            },
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtProtectVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2436,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "length": 135168,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "base_address": "0x004ae000"
                    },
                    "time": 1598860386.796375,
                    "tid": 2124,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE"
                    }
                },
                "pid": 2436,
                "type": "call",
                "cid": 9
            },
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtProtectVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2436,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "length": 12288,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "base_address": "0x00527000"
                    },
                    "time": 1598860386.796375,
                    "tid": 2124,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE"
                    }
                },
                "pid": 2436,
                "type": "call",
                "cid": 11
            }
        ],
        "references": [],
        "name": "allocates_rwx"
    },
    {
        "markcount": 3,
        "families": [],
        "description": "Foreign language identified in PE resource",
        "severity": 2,
        "marks": [
            {
                "name": "RT_ICON",
                "language": "LANG_PORTUGUESE",
                "offset": "0x001b8130",
                "filetype": "data",
                "sublanguage": "SUBLANG_PORTUGUESE_BRAZILIAN",
                "type": "generic",
                "size": "0x000008a8"
            },
            {
                "name": "RT_GROUP_ICON",
                "language": "LANG_PORTUGUESE",
                "offset": "0x001b89d8",
                "filetype": "MS Windows icon resource - 1 icon, 32x32",
                "sublanguage": "SUBLANG_PORTUGUESE_BRAZILIAN",
                "type": "generic",
                "size": "0x00000014"
            },
            {
                "name": "RT_VERSION",
                "language": "LANG_PORTUGUESE",
                "offset": "0x001b89ec",
                "filetype": "data",
                "sublanguage": "SUBLANG_PORTUGUESE_BRAZILIAN",
                "type": "generic",
                "size": "0x0000039c"
            }
        ],
        "references": [],
        "name": "origin_langid"
    },
    {
        "markcount": 2,
        "families": [],
        "description": "The binary likely contains encrypted or compressed data indicative of a packer",
        "severity": 2,
        "marks": [
            {
                "entropy": 7.928320421140165,
                "section": {
                    "size_of_data": "0x0008d400",
                    "virtual_address": "0x0012a000",
                    "entropy": 7.928320421140165,
                    "name": ".gas1",
                    "virtual_size": "0x0008d27c"
                },
                "type": "generic",
                "description": "A section with a high entropy has been found"
            },
            {
                "entropy": 0.9929701230228472,
                "type": "generic",
                "description": "Overall entropy of this PE file is high"
            }
        ],
        "references": [
            "http:\/\/www.forensickb.com\/2013\/03\/file-entropy-explained.html",
            "http:\/\/virii.es\/U\/Using%20Entropy%20Analysis%20to%20Find%20Encrypted%20and%20Packed%20Malware.pdf"
        ],
        "name": "packer_entropy"
    }
]

Yara

The Yara rules did not detect anything in the file.

Network

{
    "tls": [],
    "udp": [
        {
            "src": "192.168.56.101",
            "dst": "192.168.56.255",
            "offset": 662,
            "time": 6.223029136657715,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "192.168.56.255",
            "offset": 5342,
            "time": 12.223362922668457,
            "dport": 138,
            "sport": 138
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7186,
            "time": 6.15647292137146,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7514,
            "time": 4.1572959423065186,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7842,
            "time": 6.16364312171936,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 8170,
            "time": 4.662766933441162,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 8498,
            "time": 3.0596539974212646,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 8826,
            "time": 4.231817960739136,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 28236,
            "time": 4.192107915878296,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 36620,
            "time": 6.238215923309326,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "f6885c0f8061305e377c4fca7f1bac74a4b3bc20b89bcd9d45f18b91915567e5",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "2a492d19c3cd0a5548280e338927c2644028544559d7ffd66f126420568fc5ab",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandboxScreenshot from the sandboxScreenshot from the sandboxScreenshot from the sandboxScreenshot from the sandboxScreenshot from the sandboxScreenshot from the sandbox

Other files also named gbpsv.exe

gbpsv.exe (68 votes)

Hashes [?]

PropertyValue
MD51aa4c26b7f5dc9b39cfd196934cb8a79
SHA25671eb0797db8de8ff5a9fe84b5568cd728b4b089537e4e1b5fd55b42de8b3fa07

Error Messages

These are some of the error messages that can appear related to gbpsv.exe:

gbpsv.exe has encountered a problem and needs to close. We are sorry for the inconvenience.

gbpsv.exe - Application Error. The instruction at "0xXXXXXXXX" referenced memory at "0xXXXXXXXX". The memory could not be "read/written". Click on OK to terminate the program.

G-Buster Browser Defense - Service has stopped working.

End Program - gbpsv.exe. This program is not responding.

gbpsv.exe is not a valid Win32 application.

gbpsv.exe - Application Error. The application failed to initialize properly (0xXXXXXXXX). Click OK to terminate the application.

What will you do with gbpsv.exe?

To help other users, please let us know what you will do with gbpsv.exe:



Malware or legitimate?

If you feel that you need more information to determine if your should keep this file or remove it, please read this guide.

Please select the option that best describe your thoughts on the information provided on this web page


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Comments

Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.

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