One System Care Limited - 15% Detection Rate *
Did you just run into a download or a file on your computer that has been digitally signed by One System Care Limited? Some of the security products refers to the detected files as PUP.Optional.OneSystemCare and W32.HfsAdware.34F9. The detection rate for the One System Care Limited files collected here is 15%. Please read on for more details.
You will typically see One System Care Limited when clicking to run the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screencap shows:
You can view the additional details from the One System Care Limited digital signature with the following procedure:
- Open Windows Explorer and locate the One System Care Limited file
- Right-click the file and select Properties
- Click on the Digital Signatures tab
- Click the View Certificate button
Here is a screenshot of a file signed by One System Care Limited:
As you can see in the screenshot above, Windows states that "This digital signature is OK". This implies that the file has been published by One System Care Limited and that no one has tampered with the file.
If you click the View Certificate button shown in the screenshot above, you can see 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 see the address for One System Care Limited, such as the street name, city and country.
Symantec Class 3 SHA256 Code Signing CA, COMODO RSA Code Signing CA and VeriSign Class 3 Code Signing 2010 CA has issued the One System Care Limited certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
One System Care Limited Files
These are the One System Care Limited files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 1/57 | OneSystemCare.exe |
| 3/57 | CleanupConsole.exe |
| 10/52 | OneSystemCare.exe |
| 7/56 | SYSTEM~1.EXE |
| 14/57 | CleanupConsole.exe |
| 10/57 | CleanupConsole.exe |
| 13/55 | CleanupConsole.exe |
| 8/56 | au_.exe |
| 13/55 | CleanupConsole.exe |
| 8/53 | Au_.exe |
| 18/56 | OneSystemCare.exe |
| 3/57 | Au_.exe |
Scanner and Detection Names
Here is the detection names for the One System Care Limited files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | Generic.3F6, Optimizer.456, Generic.838 |
| AVware | Trojan.Win32.Generic!BT |
| AegisLab | Riskware.Gen!c, Suspicious.Cloud.Gen!c, Virus.Gen!c |
| Agnitum | Riskware.Agent! |
| Antiy-AVL | Trojan/Win32.TSGeneric |
| Avast | Win32:Malware-gen |
| Baidu-International | PUA.Win32.OptimizerEliteMax.onsc |
| Bkav | W32.HfsAdware.34F9 |
| Comodo | Application.Win32.OneSystemCare.B |
| DrWeb | Program.Unwanted.1346, Program.Unwanted.716 |
| ESET-NOD32 | a variant of Win32/OptimizerEliteMax.E potentially unwanted, a variant of Win32/Adware.Adposhel.A |
| Fortinet | Riskware/OptimizerEliteMax |
| Ikarus | PUA.OneSystemCare, Trojan.SuspectCRC |
| K7AntiVirus | Adware ( 004ccabb1 ), Adware ( 004cc9ef1 ), Unwanted-Program ( 004c20af1 ), Adware ( 004c8f051 ) |
| K7GW | Adware ( 004ccabb1 ), Adware ( 004cc9ef1 ), Unwanted-Program ( 004c20af1 ), Adware ( 004c8f051 ) |
| Malwarebytes | PUP.Optional.OneSystemCare.A, PUP.Optional.OneSystemCare |
| McAfee | Artemis!DBAC453C90D6, Artemis!DCEACF831DD7, Artemis!2CECE6F6D093, Artemis!98809BD80694 |
| McAfee-GW-Edition | Artemis, Artemis!Trojan |
| Qihoo-360 | HEUR/QVM10.1.Malware.Gen, QVM20.1.Malware.Gen |
| Rising | PE:Malware.Generic(Thunder)!1.A1C4 [F] |
| SUPERAntiSpyware | PUP.OneSystemCare/Variant |
| Sophos | OneSystemCare (PUA) |
| Symantec | PUA.OneSystemCare, Suspicious.Cloud.9 |
| TrendMicro-HouseCall | Suspicious_GEN.F47V0602 |
| VIPRE | Trojan.Win32.Generic!BT |
| Zillya | Adware.Eorezo.Win32.28619, Backdoor.PePatch.Win32.98119, Adware.Eorezo.Win32.16233, Trojan.Kryptik.Win32.829690 |
* How the Detection Percentage is Calculated
The detection percentage is based on that I have gathered 724 scan results for the One System Care Limited files. 108 of these scan results came up with some sort of detection. If you like, you can review the full details of the scan reports by examining the files listed above.
Analysis Details
The analysis is done on certificates with the following serial numbers:
- 2921701cd0be5d77ae345a65f1dba846
- 0086f7031430e873d541e5c9fd9898f32d
- 4131072ae755ff80abdee907c54980fc
- 191049e2c06e1cabb9369e17873b312d
- 00e39a70eb7e98cc88b8ca012aaadfbdf1