What is {4d5a7527-ee4b-4e67-b62e-2b84d7af4488}w64.sys?
{4d5a7527-ee4b-4e67-b62e-2b84d7af4488}w64.sys is part of StdLib and developed by StdLib according to the {4d5a7527-ee4b-4e67-b62e-2b84d7af4488}w64.sys version information.
{4d5a7527-ee4b-4e67-b62e-2b84d7af4488}w64.sys's description is "StdLib"
{4d5a7527-ee4b-4e67-b62e-2b84d7af4488}w64.sys is digitally signed by crimsolite.
{4d5a7527-ee4b-4e67-b62e-2b84d7af4488}w64.sys is usually located in the 'C:\Windows\system32\drivers\' folder.
Some of the anti-virus scanners at VirusTotal detected {4d5a7527-ee4b-4e67-b62e-2b84d7af4488}w64.sys.
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 {4d5a7527-ee4b-4e67-b62e-2b84d7af4488}w64.sys:
| Property | Value |
|---|---|
| Product name | StdLib |
| Company name | StdLib |
| File description | StdLib |
| Internal name | StdLib.sys |
| Original filename | StdLib.sys |
| Legal copyright | Copyright © 2013 StdLib |
| Product version | 1.4.4.6 |
| File version | 1.4.4.6 built by: WinDDK |
Here's a screenshot of the file properties when displayed by Windows Explorer:
| Product name | StdLib |
| Company name | StdLib |
| File description | StdLib |
| Internal name | StdLib.sys |
| Original filename | StdLib.sys |
| Legal copyright | Copyright © 2013 StdLib |
| Product version | 1.4.4.6 |
| File version | 1.4.4.6 built by: WinDDK |
Digital signatures [?]
{4d5a7527-ee4b-4e67-b62e-2b84d7af4488}w64.sys has a valid digital signature.
| Property | Value |
|---|---|
| Signer name | crimsolite |
| Certificate issuer name | VeriSign Class 3 Code Signing 2010 CA |
| Certificate serial number | 58c222bc9b77b48e91dde43ca413b4fa |
VirusTotal report
51 of the 68 anti-virus programs at VirusTotal detected the {4d5a7527-ee4b-4e67-b62e-2b84d7af4488}w64.sys file. That's a 75% detection rate.
| Scanner | Detection Name |
|---|---|
| Ad-Aware | Adware.SwiftBrowse.CH |
| ALYac | Adware.SwiftBrowse.CH |
| Antiy-AVL | GrayWare[NetTool:not-a-virus]/Win64.NetFilter.a |
| Arcabit | Adware.SwiftBrowse.CH |
| Avast | MSIL:BrowseFox-BL [PUP] |
| AVG | MSIL:BrowseFox-BL [PUP] |
| Avira | ADWARE/NetFilter.fhdgd |
| AVware | Trojan.Win32.Generic!BT |
| Baidu | Win32.Adware.BrowseFox.f |
| BitDefender | Adware.SwiftBrowse.CH |
| Bkav | W64.HfsAdware.F463 |
| CAT-QuickHeal | Adware.SwiftBrowse.S9255 |
| ClamAV | Win.Adware.Swiftbrowse-513 |
| CrowdStrike | malicious_confidence_100% (D) |
| Cybereason | malicious.1b8fb7 |
| Cyren | W64/A-59c9c70a!Eldorado |
| DrWeb | Trojan.Yontoo.1734 |
| eGambit | Unsafe.AI_Score_73% |
| Emsisoft | Adware.SwiftBrowse.CH (B) |
| Endgame | malicious (high confidence) |
| ESET-NOD32 | a variant of Win64/NetFilter.A potentially unsafe |
| F-Prot | W64/A-59c9c70a!Eldorado |
| F-Secure | Adware.SwiftBrowse.CH |
| Fortinet | Riskware/NetFilter |
| GData | Adware.SwiftBrowse.CH |
| Ikarus | not-a-virus:NetTool.NetFilter |
| Invincea | heuristic |
| K7AntiVirus | Adware ( 0040f9f21 ) |
| K7GW | Adware ( 0040f9f21 ) |
| Kaspersky | not-a-virus:NetTool.Win64.NetFilter.k |
| Malwarebytes | PUP.Optional.BrowseFox |
| MAX | malware (ai score=61) |
| McAfee | BrowseFox-FBB |
| McAfee-GW-Edition | BrowseFox-FBB |
| Microsoft | BrowserModifier:Win32/Foxiebro |
| MicroWorld-eScan | Adware.SwiftBrowse.CH |
| NANO-Antivirus | Riskware.Win64.NetFilter.djpsyi |
| nProtect | Trojan-Clicker/W32.Yotoon.48784 |
| SentinelOne | static engine - malicious |
| Sophos | Browse Fox (PUA) |
| SUPERAntiSpyware | Adware.SwiftBrowse/Variant |
| Symantec | Trojan.Gen.2 |
| Tencent | Win32.Adware.Browsefox.Yqhk |
| TrendMicro | PUA_BROWSEFOX |
| TrendMicro-HouseCall | PUA_BROWSEFOX |
| VIPRE | Trojan.Win32.Generic!BT |
| ViRobot | Adware.SwiftBrowse.48784.GTF |
| Webroot | Pua.Superweb |
| Yandex | Riskware.Agent! |
| Zillya | Adware.Yotoon.Win64.14 |
| ZoneAlarm | not-a-virus:NetTool.Win64.NetFilter.k |
{4d5a7527-ee4b-4e67-b62e-2b84d7af4488}w64.sys removal instructions
The instructions below shows how to remove {4d5a7527-ee4b-4e67-b62e-2b84d7af4488}w64.sys with help from the FreeFixer removal tool. Basically, you install FreeFixer, scan your computer, check the {4d5a7527-ee4b-4e67-b62e-2b84d7af4488}w64.sys file for removal, restart your computer and scan it again to verify that {4d5a7527-ee4b-4e67-b62e-2b84d7af4488}w64.sys has been successfully removed. Here are the removal instructions in more detail:
- Download and install FreeFixer: http://www.freefixer.com/download.html
- Start FreeFixer and press the Start Scan button. The scan will finish in approximately five minutes.
- When the scan is finished, locate {4d5a7527-ee4b-4e67-b62e-2b84d7af4488}w64.sys in the scan result and tick the checkbox next to the {4d5a7527-ee4b-4e67-b62e-2b84d7af4488}w64.sys file. Do not check any other file for removal unless you are 100% sure you want to delete it. Tip: Press CTRL-F to open up FreeFixer's search dialog to quickly locate {4d5a7527-ee4b-4e67-b62e-2b84d7af4488}w64.sys in the scan result.
C:\Windows\system32\drivers\{4d5a7527-ee4b-4e67-b62e-2b84d7af4488}w64.sys 
- Scroll down to the bottom of the scan result and press the Fix button. FreeFixer will now delete the {4d5a7527-ee4b-4e67-b62e-2b84d7af4488}w64.sys file.
- Restart your computer.
- Start FreeFixer and scan your computer again. If {4d5a7527-ee4b-4e67-b62e-2b84d7af4488}w64.sys still remains in the scan result, proceed with the next step. If {4d5a7527-ee4b-4e67-b62e-2b84d7af4488}w64.sys is gone from the scan result you're done.
- If {4d5a7527-ee4b-4e67-b62e-2b84d7af4488}w64.sys still remains in the scan result, check its checkbox again in the scan result and click Fix.
- Restart your computer.
- Start FreeFixer and scan your computer again. Verify that {4d5a7527-ee4b-4e67-b62e-2b84d7af4488}w64.sys no longer appear in the scan result.
Hashes [?]
| Property | Value |
|---|---|
| MD5 | fbcc90d672127696ea96f063bf5ea6c0 |
| SHA256 | 6970e1de9f8c71e19e54f090982cdf46177749db5ad5f7e13eb699513a3dafd4 |
What will you do with the file?
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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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