Tianjing Cheng - 35% Detection Rate *
Did you just find a download or a file on your computer that has been digitally signed by Tianjing Cheng? Some of the security products refers to the detected files as Gen:Variant.Sirefef.3437 and W32/S-0341761a!Eldorado. The detection rate for the Tianjing Cheng files collected here is 35%. Please read on for more details.
You will typically notice Tianjing Cheng when clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:
You can also view the Tianjing Cheng certificate with the following procedure:
- Open Windows Explorer and locate the Tianjing Cheng 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 signed by Tianjing Cheng:
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 Tianjing Cheng 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, etc. You can also examine the address for Tianjing Cheng, such as the street name, city and country.
thawte SHA256 Code Signing CA has issued the Tianjing Cheng certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
Tianjing Cheng Files
These are the Tianjing Cheng files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 14/56 | wogerentClientGhuverthergrusase.exe |
| 26/58 | ic-0.03c8bbb80e3164.exe |
Scanner and Detection Names
Here is the detection names for the Tianjing Cheng files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| ALYac | Gen:Variant.Sirefef.3437 |
| Ad-Aware | Gen:Variant.Sirefef.3437 |
| Antiy-AVL | Trojan/Win32.TSGeneric |
| Arcabit | Trojan.Sirefef.DD6D |
| Avast | Win32:Youndoo-D [Adw], Win32:Adware-gen [Adw] |
| Avira | ADWARE/ELEX.kvsf |
| Baidu | Win32.Trojan.Kryptik.awm |
| BitDefender | Gen:Variant.Sirefef.3437 |
| Comodo | TrojWare.Win32.Crypt.RF |
| CrowdStrike | malicious_confidence_100% (D) |
| Cyren | W32/S-0341761a!Eldorado, W32/S-748673ba!Eldorado |
| DrWeb | Adware.Mutabaha.1765, Adware.Mutabaha.3248 |
| ESET-NOD32 | a variant of Win32/Obfuscated.NHL, a variant of Win32/Kryptik.FNSY |
| Emsisoft | Gen:Variant.Sirefef.3437 (B) |
| Endgame | malicious (high confidence) |
| F-Prot | W32/S-0341761a!Eldorado, W32/S-748673ba!Eldorado |
| F-Secure | Gen:Variant.Sirefef.3437 |
| GData | Gen:Variant.Sirefef.3437 |
| Ikarus | Trojan.Win32.Obfuscated, PUA.Elex |
| Invincea | virus.win32.sality.at |
| K7AntiVirus | Riskware ( 0049f6ae1 ) |
| K7GW | Riskware ( 0049f6ae1 ) |
| Kaspersky | UDS:DangerousObject.Multi.Generic |
| Malwarebytes | Adware.Elex |
| MicroWorld-eScan | Gen:Variant.Sirefef.3437 |
| Microsoft | BrowserModifier:Win32/Sasquor |
| Panda | PUP/SupTab |
| Qihoo-360 | HEUR/QVM10.1.0000.Malware.Gen |
| Rising | Malware.Generic!qYjeCcT9TzO@5 (Thunder), Malware.Heuristic!ET#83% (rdm+) |
| Sophos | Generic PUA EH (PUA) |
| Symantec | ML.Attribute.HighConfidence |
| Tencent | Win32.Trojan.Kryptik.Lmax |
* How the Detection Percentage is Calculated
The detection percentage is based on the fact that I've collected 114 scan reports for the Tianjing Cheng files. 40 of these scan results came up with some sort of detection. 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:
- 5308bd8e544636b8ad3d2ed3a1c85c74
- 0236a25941fd6089147ca197cf105603