Ma Lin - 14% Detection Rate *
Did you just stumble upon a download or a file on your computer that has been digitally signed by Ma Lin? Some of the security products refers to the detected files as Gen:Application.Elex.1 and PUA.Win32.LiMo.bC. The detection rate for the Ma Lin files collected here is 14%. Please read on for more details.
You will typically see Ma Lin when double-clicking to run the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screengrab shows:
You can view the digital signature details for Ma Lin with the following procedure:
- Open up Windows Explorer and locate the Ma Lin file
- Right-click the file and select Properties
- Click the Digital Signatures tab
- Click on the View Certificate button
Here is a screenshot of a file that has been signed by Ma Lin:
As you can see in the screenshot above, the Windows OS reports that "This digital signature is OK". This implies that the file has been published by Ma Lin 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 Ma Lin, such as the street name, city and country.
WoSign Class 2 Code Signing CA has issued the Ma Lin certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
Ma Lin Files
The following are the Ma Lin files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 4/52 | ProtectWindowsManager.exe |
| 6/56 | cor_omiga-plus.exe |
| 5/54 | wpc_webssearches.exe |
| 22/56 | obw_webssearches[1].exe |
Scanner and Detection Names
Here's the detection names for the Ma Lin files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | Generic.611 |
| Ad-Aware | Gen:Application.Elex.1 |
| Agnitum | Riskware.Agent! |
| AhnLab-V3 | PUP/Win32.SearchHijacker |
| Baidu-International | Trojan.Win32.WPM.45, PUA.Win32.LiMo.bC |
| BitDefender | Gen:Application.Elex.1 |
| DrWeb | Adware.Mutabaha.81, Adware.Mutabaha.84 |
| ESET-NOD32 | a variant of Win32/ELEX.AM, a variant of Win32/LiMo.C |
| F-Secure | Gen:Application.Elex.1 |
| Fortinet | Riskware/LiMo |
| GData | Gen:Application.Elex.1, Win32.Application.Elex.E |
| Ikarus | PUA.LiMo |
| K7AntiVirus | Trojan ( 004b01731 ) |
| K7GW | Trojan ( 004b01731 ) |
| Malwarebytes | PUP.Optional.WPM.A, PUP.Optional.Bundle |
| McAfee | Artemis!623442D6C3A0 |
| McAfee-GW-Edition | BehavesLike.Win32.Expiro.hh, BehavesLike.Win32.BadFile.dm |
| MicroWorld-eScan | Gen:Application.Elex.1 |
| NANO-Antivirus | Riskware.Win32.Mutabaha.djrxwq |
| Qihoo-360 | HEUR/QVM10.1.Malware.Gen |
| Sophos | Generic PUA AD |
| TrendMicro-HouseCall | Suspicious_GEN.F47V0630 |
| VIPRE | Trojan.Win32.Generic!BT |
| Zillya | Backdoor.PePatch.Win32.53704 |
* How the Detection Percentage is Calculated
The detection percentage is based on the fact that I have gathered 272 scan results for the Ma Lin files. 37 of these scan reports came up with some sort of detection. 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:
- 0fc83fbfe11653f06215dca7eace7e7d
- 26954ae19a551b1d622a23c25dbe2503
- 760e23abf26cf75ae5c944881cca6da7