Xin Zhou - 8% Detection Rate *
Did you just find a download or a file on your computer that has a digital signature from Xin Zhou? Some of the security products refers to the detected files as HEUR/QVM10.1.Malware.Gen and BrowserModifier:Win32/Sasquor. The detection rate for the Xin Zhou files collected here is 8%. Please read on for more details.
You will typically notice Xin Zhou when double-clicking to run the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screencap shows:
You can also view the Xin Zhou certificate with the following procedure:
- Open Windows Explorer and locate the Xin Zhou file
- Right-click the file and select Properties
- Click on the Digital Signatures tab
- Click the View Certificate button
Here's a screenshot of a file that has been digitally signed by Xin Zhou:
As you can see in the screenshot above, the Windows OS reports that "This digital signature is OK". This means that the file has been published by Xin Zhou and that the file has not been tampered with.
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 view the address for Xin Zhou, such as the street name, city and country.
thawte SHA256 Code Signing CA has issued the Xin Zhou certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
Xin Zhou Files
These are the Xin Zhou files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 3/54 | WinTaske.exe |
| 1/53 | task.exe |
| 2/53 | winsere.exe |
| 2/55 | gtkfree.exe |
| 1/53 | task.exe |
| 5/54 | ACGPro.exe |
| 1/53 | server.exe |
| 2/53 | task.exe |
| 8/52 | task.exe |
| 1/57 | bugreport.exe |
| 16/56 | mbat.exe |
| 1/56 | prosotain.exe |
| 1/55 | task.exe |
| 11/56 | server.exe |
| 1/56 | CCeuter.exe |
| 1/56 | cleluy.exe |
| 14/57 | bugreport.exe |
| 1/55 | sjBhGZKvVI.exe |
| 20/55 | pheluty.exe |
| 8/57 | drkosp.exe |
| 0/54 | server.exe |
Scanner and Detection Names
Here's the detection names for the Xin Zhou files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | AdPlugin.OIM, Generic.BB7, Generic7.AEFS |
| AVware | Trojan.Win32.Generic!BT |
| AegisLab | AdWare.W32.Agent, W32.Troj.Agent!c |
| AhnLab-V3 | PUP/Win32.hohobnd.C1449626 |
| Avast | Win32:Adware-gen [Adw], Win32:Malware-gen |
| Avira | ADWARE/Agent.3623, PUA/YesSearch.958960 |
| Baidu | Win32.Trojan.WisdomEyes.151026.9950.9999 |
| Baidu-International | Adware.Win32.ELEX.HD |
| CAT-QuickHeal | BrowserModifier.Sasquor.g5 (Not a Virus) |
| Cyren | W32/S-dca15f88!Eldorado |
| DrWeb | Adware.Mutabaha.937, Adware.Mutabaha.906, Adware.Mutabaha.1179, Adware.Mutabaha.1153, Adware.Mutabaha.1198, Adware.Mutabaha.1249 |
| ESET-NOD32 | a variant of Win32/ELEX.HD potentially unwanted, a variant of Win32/ELEX.GL potentially unwanted, a variant of Win32/ELEX.FW potentially unwanted, a variant of Win32/Obfuscated.NFU, a variant of Win32/Obfuscated.NGD |
| F-Prot | W32/S-dca15f88!Eldorado |
| Fortinet | Riskware/Elex |
| GData | Win32.Trojan.Agent.29M7ST, Win32.Trojan.Agent.UIWNLH, Win32.Trojan.Agent.AWM9ES |
| Ikarus | not-a-virus:Downloader.YeSearch |
| Jiangmin | AdWare.ELEX.bh, AdWare.ELEX.bj |
| K7AntiVirus | Trojan ( 004e8e501 ), Adware ( 004d75931 ), Riskware ( 0040eff71 ) |
| K7GW | Hacktool ( 655367771 ), Trojan ( 004e8e501 ), Adware ( 004d75931 ), Riskware ( 0040eff71 ) |
| Kaspersky | not-a-virus:AdWare.Win32.ELEX.hp, not-a-virus:AdWare.Win32.ELEX.mx |
| Malwarebytes | Trojan.Downloader.QQ, PUP.Optional.VBates |
| McAfee | Artemis!97D9848E5A63, Artemis!1B8D1A8A95E4, Artemis!B8C094257CFF, Artemis!0160CA4665BC |
| McAfee-GW-Edition | Artemis, Artemis!Trojan |
| Microsoft | BrowserModifier:Win32/Sasquor |
| Panda | Trj/CI.A |
| Qihoo-360 | HEUR/QVM10.1.Malware.Gen |
| Rising | PE:Malware.Generic/QRS!1.9E2D [F] |
| Sophos | Generic PUA MG (PUA), Elex (PUA) |
| Symantec | Trojan.Gen.2, PUA.Downloader, Suspicious.Cloud.9 |
| Tencent | Win32.Adware.Elex.Phzs, Win32.Adware.Appspread.Sshz |
| VBA32 | BScope.P2P-Worm.Palevo |
| VIPRE | Adware.Elex (not malicious), Trojan.Win32.Generic!BT |
| ViRobot | Adware.Yesearch.962712[h] |
| Yandex | Trojan.Obfuscated!BYoWVJy7u38 |
| Zillya | Trojan.Obfuscated.Win32.72789 |
* How the Detection Percentage is Calculated
The detection percentage is based on that I've collected 1259 scan reports for the Xin Zhou files. 100 of these scan reports 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 has been done on certificates with the following serial numbers:
- 11406491e107e3a543a24a358edd9207
- 659a8a3384285135321373ababe9503d
- 611508ea22ae1aaf5af8ac8473f6b0aa
- 6e1c5fe16282f54284dd57c2d9724c52
- 10a3302f1d013acaed5fec7f22c96b03
- 1ce3bb3db355c661097692bbef7d6ed1
- 4ceaf4f1b7c2e1b181b9a1ed937f62a8
- 54d78a45590f05ab03eb1c17ca534976