Systweak Software - 4% Detection Rate *
Did you just find a download or a file on your computer that has been digitally signed by Systweak Software? Some of the security products refers to the detected files as PUP/Systweak and W32.HfsAdware.90C3. The detection rate for the Systweak Software files collected here is 4%. Please read on for more details.
You will probably notice Systweak Software when running the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:
You can view the digital signature details for Systweak Software with the following steps:
- Open up Windows Explorer and locate the Systweak Software file
- Right-click on the file and select Properties
- Click the Digital Signatures tab
- Click the View Certificate button
Here is a screencap of a file signed by Systweak Software:
As you can see in the screengrab above, Windows reports that "This digital signature is OK". This implies that the file has been published by Systweak Software and that the file has not been tampered with.
If you click the View Certificate button shown in the screenshot above, you can examine all the details of the certificate, such as when it was issued, who issued the certificate, how long it is valid, and so on. You can also examine the address for Systweak Software, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA and Symantec Class 3 SHA256 Code Signing CA has issued the Systweak Software certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
Systweak Software Files
The following are the Systweak Software files I have gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 2/57 | aspcontexthelper64.dll |
| 1/56 | _iu14D2N.tmp |
| 12/53 | roboot64.exe |
| 2/50 | roboot.exe |
| 9/57 | roboot64.exe |
| 18/56 | roboot.exe |
| 1/56 | DiskOptimizer.exe |
| 7/56 | roboot64.exe |
| 3/57 | _iu14D2N.tmp |
| 2/48 | _iu14D2N.tmp |
| 1/55 | AspManager.exe |
| 1/56 | PrivacyProtector.exe |
| 1/56 | CheckUpdate.exe |
| 1/56 | DriverUpdater.exe |
| 1/56 | SystemCleaner.exe |
| 3/57 | aspcontexthelper64.dll |
| 1/56 | _iu14D2N.tmp |
| 2/55 | sasnative64.exe |
| 3/55 | sasnative64.exe |
| 1/56 | aspcontexthelper64.dll |
| 6/62 | sasnative64.exe |
| 7/67 | DSUDefragSrv64.exe |
| 1/47 | _iu14D2N.tmp |
| 1/48 | _iu14D2N.tmp |
| 1/43 | scandll.dll |
| 1/53 | SystweakASP.exe |
| 2/49 | filetypehelper.exe |
| 1/54 | _iu14D2N.tmp |
| 1/51 | systweakasp.exe |
| 6/51 | AspManager.exe |
| 1/53 | clamscan.exe |
| 1/53 | ASPUninstall.exe |
| 2/55 | isRS-000.tmp |
| 3/57 | clamscan.exe |
| 6/57 | sasnative32.exe |
| 3/56 | aspcontexthelper64.dll |
| 6/57 | sasnative64.exe |
| 5/57 | sasnative32.exe |
| 4/57 | AspManager.exe |
| 3/54 | aspcontexthelper32.dll |
| 8/56 | BrowserCleaner.exe |
| 4/56 | sasnative32.exe |
| 3/54 | isxdl.dll |
| 19/57 | systweakasp.exe |
| 5/55 | aspcontexthelper32.dll |
| 0/47 | ROBoot.exe |
| 0/50 | _iu14D2N.tmp |
Scanner and Detection Names
Here is the detection names for the Systweak Software files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVware | Trojan.Win32.Generic!BT |
| AegisLab | Pua.Systweak.Gen4!c |
| Agnitum | Riskware.Agent!, Riskware.Tuneup! |
| Antiy-AVL | RiskWare[RiskTool]/Win32.Tuneup.c, Worm/Win32.WhiteIce, Trojan/Win32.TSGeneric, GrayWare[AdWare]/Win32.Agent.hoqu |
| Arcabit | Trojan.B8DF480, PUP.Riskware.Systweak |
| Avira | PUA/Systweak.Gen4 |
| Bkav | W32.HfsAdware.90C3, W64.HfsAdware.90C3 |
| CAT-QuickHeal | AdWare.Agent.r8 (Not a Virus) |
| Comodo | Application.Win32.Systweak.~AE |
| DrWeb | Program.Unwanted.296, Program.Unwanted.971, Program.Unwanted.290, Program.Unwanted.982, Program.Unwanted.1742, Program.Unwanted.31, Program.Unwanted.43 |
| ESET-NOD32 | a variant of Win64/Systweak.A potentially unwanted, a variant of Win32/Systweak.A potentially unwanted, a variant of Win32/Systweak.L, a variant of MSIL/AdvancedSystemProtector.F, Win64/AdvancedSystemProtector.A potentially unwanted, a variant of MSIL/AdvancedSystemProtector.B, Win32/Systweak.K, Win32/AdvancedSystemProtector.A potentially unwanted, a variant of MSIL/AdvancedSystemProtector.F potentially unwanted, Win32/Systweak.E potentially unwanted |
| Fortinet | Adware/Systweak, Riskware/Tuneup, Adware/AdvancedSystemProtector, Riskware/AdvancedSystemProtector, Adware/Agent |
| GData | Win32.Application.Agent.YIYF4L, Win32.Application.RegCleanPro.A, Win32.Application.Systweak.M |
| Jiangmin | Trojan/Tweaker.m, Trojan/Tweaker.n, Trojan/Agent.kiww |
| K7AntiVirus | Adware ( 004ba1fa1 ), Trojan ( 004a0ccd1 ), Adware ( 004d55681 ) |
| K7GW | Adware ( 004ba1fa1 ), Trojan ( 004a0ccd1 ), Adware ( 004d55681 ) |
| Kaspersky | not-a-virus:RiskTool.Win32.SystemTweaker.g, not-a-virus:RiskTool.Win32.Tuneup.c, not-a-virus:HEUR:RiskTool.Win32.SystemTweaker.gen |
| Malwarebytes | PUP.Optional.Systweak, PUP.Optional.SysTweak |
| McAfee | Artemis!96B09083EB81, Artemis!2BEA1E558FB9, Artemis!3EDF2140D955, Artemis!DD1EDB1B29DB, Artemis!68DB1A1B5C45 |
| McAfee-GW-Edition | Artemis |
| NANO-Antivirus | Riskware.Win32.Tuneup.dvwkqa, Riskware.Win64.SystemTweaker.ebnybw, Riskware.Win32.SystemTweaker.efutap |
| Panda | PUP/Systweak, PUP/Advanced System Protector |
| Rising | Malware.Generic.5!tfe (thunder:5:ooMPElCYsIK) |
| SUPERAntiSpyware | PUP.RegCleanPro/Variant, PUP.RegistryOptimizer/Variant, PUP.Systweak/Variant |
| Sophos | Registry Cleaner, Systweak Advanced System Protector |
| Symantec | Trojan.Gen.2, PUA.DiskSpeedUp |
| TrendMicro | ADW_RegCleanPro |
| TrendMicro-HouseCall | TROJ_GEN.F47V0122, Suspicious_GEN.F47V0325, ADW_RegCleanPro |
| VBA32 | TrojanFakeAV.Tweaker, AdWare.Agent |
| Yandex | Trojan.Kryptik!Pthn0XXqEAE |
| Zillya | Trojan.Tweaker.Win32.36, Worm.VBNA.Win32.264611, Trojan.Kryptik.Win32.814307 |
| ZoneAlarm | not-a-virus:HEUR:RiskTool.Win32.SystemTweaker.gen |
| nProtect | Backdoor/W32.RBot.1188792 |
* How the Detection Percentage is Calculated
The detection percentage is based on the fact that I've collected 4575 scan reports for the Systweak Software files. 172 of these scan reports came up with some sort of detection. You can view the full details of the scan results by examining the files listed above.
Analysis Details
The analysis has been done on certificates with the following serial numbers:
- 59f8d19475e75f9338df32a94183402f
- 2e9bd3dbc5333accf13a746389196acf
- 45ac8048d659e21f46b79fc5be3e1f8a