Sergey Petrov - 38% Detection Rate *
Did you just run into a download or a file on your computer that has a digital signature from Sergey Petrov? Some of the security products refers to the detected files as PE:PUF.InstallRex!1.9E4C and Application.Win32.InstalleRex.KG. The detection rate for the Sergey Petrov files collected here is 38%. Please read on for more details.
You will typically notice Sergey Petrov when double-clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screengrab shows:
You can also view the Sergey Petrov certificate with the following steps:
- Open Windows Explorer and locate the Sergey Petrov file
- Right-click on the file and select Properties
- Click on the Digital Signatures tab
- Click on the View Certificate button
Here's a screenshot of a file digitally signed by Sergey Petrov:
As you can see in the screenshot above, Windows reports that "This digital signature is OK". This means that the file has been published by Sergey Petrov 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, etc. You can also view the address for Sergey Petrov, such as the street name, city and country.
COMODO Code Signing CA 2 has issued the Sergey Petrov certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
Sergey Petrov Files
The following are the Sergey Petrov files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 19/51 | Download.exe |
| 16/51 | 00000001 |
| 17/51 | $R50WCDK.exe |
| 22/51 | A0027675.exe |
| 17/51 | Download.exe |
| 21/50 | f_000837 |
| 20/50 | Megapixel IP camera CD.zip.exe |
| 21/52 | Megapixel IP camera CD.zip.exe |
Scanner and Detection Names
Here's the detection names for the Sergey Petrov files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | MalSign.Generic.256 |
| Agnitum | Trojan.AntiFW! |
| AhnLab-V3 | PUP/Win32.TSULoader |
| AntiVir | TR/Kazy.324119.8, ADWARE/InstallRex.Gen7, TR/Kazy.324119.11, TR/AntiFW.b.86, Adware/InstallRex.4 |
| Antiy-AVL | RiskWare[Downloader:not-a-virus,HEUR]/Win32.AdLoad |
| Avast | Win32:InstalleRex-BI [PUP], Win32:Installer-AP [PUP] |
| Comodo | Application.Win32.InstalleRex.KG |
| DrWeb | Trojan.WebPick.29 |
| ESET-NOD32 | a variant of Win32/InstalleRex.P, Win32/InstalleRex.M |
| GData | Win32.Application.InstalleRex.E, Win32.Application.EZDownloader.A |
| K7AntiVirus | Unwanted-Program ( 0049574e1 ) |
| K7GW | Unwanted-Program ( 0049574e1 ) |
| Kaspersky | Trojan.Win32.AntiFW.b |
| Kingsoft | Win32.Troj.AntiFW.b.(kcloud) |
| Malwarebytes | PUP.Optional.Installrex, PUP.Optional.InstalleRex |
| McAfee | PUP-FHQ!7DB065275FB0, PUP-FHQ!6AB5BB009BA7, PUP-FHQ!EAF15A920A73 |
| NANO-Antivirus | Trojan.Win32.AntiFW.cvgqot, Riskware.Win32.InfoLeak.cvgqot |
| Qihoo-360 | Malware.QVM20.Gen |
| Rising | PE:PUF.InstallRex!1.9E4C |
| Sophos | InstallRex |
| VBA32 | Downloader.AdLoad |
| VIPRE | Installerex/WebPick (fs) |
| nProtect | Trojan/W32.AntiFW.323712 |
* How the Detection Percentage is Calculated
The detection percentage is based on the fact that I've gathered 407 scan results for the Sergey Petrov files. 153 of these scan reports 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 has been done on certificates with the following serial numbers:
- 0ad084e865d27cd546d21db6edf89d48