Parus - 53% Detection Rate *
Did you just run into a download or a file on your computer that has a digital signature from Parus? Some of the security products refers to the detected files as Gen:Variant.Graftor.287735 and Trojan.Graftor.D463F7. The detection rate for the Parus files collected here is 53%. Please read on for more details.
You will probably notice Parus when running the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:
You can view the digital signature details for Parus with the following steps:
- Open Windows Explorer and locate the Parus 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 Parus:
As you can see in the screenshot above, the Windows OS states that "This digital signature is OK". This means that the file has been published by Parus and that no one has tampered with the file.
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 see the address for Parus, such as the street name, city and country.
COMODO RSA Code Signing CA has issued the Parus certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
Parus Files
These are the Parus files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 20/57 | fupdate.exe |
| 40/56 | fupdate.exe |
Scanner and Detection Names
Here is the detection names for the Parus files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| ALYac | Gen:Variant.Graftor.287735 |
| AVG | Generic.602, Generic7.BFZT |
| AVware | Trojan.Win32.Generic!BT |
| Ad-Aware | Gen:Variant.Graftor.287735 |
| AegisLab | Uds.Dangerousobject.Multi!c |
| AhnLab-V3 | Adware/Win32.Updater.C1575400, Adware/Win32.Updater.N2112761623 |
| Antiy-AVL | Trojan/Win32.TSGeneric |
| Arcabit | Trojan.Graftor.D463F7 |
| Avast | Win32:Malware-gen |
| Avira | ADWARE/RuKoma.trtnq |
| BitDefender | Gen:Variant.Graftor.287735 |
| Comodo | ApplicUnwnt |
| CrowdStrike | malicious_confidence_99% (D), malicious_confidence_100% (D) |
| Cyren | W32/S-92b8cb90!Eldorado |
| DrWeb | Trojan.DownLoader22.51269 |
| ESET-NOD32 | a variant of Win32/Adware.RuKoma.B |
| Emsisoft | Gen:Variant.Graftor.287735 (B) |
| F-Prot | W32/S-92b8cb90!Eldorado |
| F-Secure | Gen:Variant.Graftor.287735 |
| Fortinet | Riskware/RuKoma |
| GData | Gen:Variant.Graftor.287735 |
| Ikarus | PUA.RuKoma |
| Invincea | trojanspy.win32.skeeyah.a!rfn |
| Jiangmin | Trojan.Scar.hqw |
| K7AntiVirus | Adware ( 004f56441 ) |
| K7GW | Adware ( 004f56441 ) |
| Malwarebytes | Adware.RuKometa |
| McAfee | Artemis!AEEC7C0EF917 |
| McAfee-GW-Edition | Artemis!PUP |
| MicroWorld-eScan | Gen:Variant.Graftor.287735 |
| NANO-Antivirus | Trojan.Win32.DownLoader22.egofkr |
| Panda | Trj/CI.A |
| Qihoo-360 | HEUR/QVM10.1.0000.Malware.Gen |
| Rising | Malware.Generic!HrTpeTQkqwH@5 (thunder) |
| Sophos | Generic PUA BA (PUA) |
| Symantec | Heur.AdvML.B, Trojan.Gen.2 |
| Tencent | Win32.Trojan.Graftor.Llrp, Win32.Trojan.Graftor.Lsci |
| TrendMicro | TROJ_GEN.R01BC0OIR16 |
| TrendMicro-HouseCall | TROJ_GEN.R01BC0OIR16 |
| VIPRE | Trojan.Win32.Generic!BT |
| ViRobot | Adware.Rukoma.138976[h] |
| Yandex | PUA.RuKoma! |
| Zillya | Adware.RuKoma.Win32.8 |
* How the Detection Percentage is Calculated
The detection percentage is based on the fact that I've gathered 113 scan results for the Parus files. 60 of these scan results came up with some sort of detection. If you like, you can view the full details of the scan reports by examining the files listed above.
Analysis Details
The analysis is based on certificates with the following serial numbers:
- 672c00a35c57e4644029f5e120e8b6a5