SerialTrunc - 14% Detection Rate *
Did you just stumble upon a download or a file on your computer that is digitally signed by SerialTrunc? Some of the security products refers to the detected files as PUP.Optional.SerialTrunc.A and not-a-virus:AdWare.Win32.Agent.ahbx. The detection rate for the SerialTrunc files collected here is 14%. Please read on for more details.
You will typically notice SerialTrunc when running the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screencap shows:
You can view the additional details from the SerialTrunc digital signature with the following procedure:
- Open up Windows Explorer and locate the SerialTrunc 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 digitally signed by SerialTrunc:
As you can see in the screenshot above, Windows states that "This digital signature is OK". This means that the file has been published by SerialTrunc and that the file has not been tampered with.
If you click the View Certificate button shown in the screengrab above, you can view 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 SerialTrunc, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the SerialTrunc certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
SerialTrunc Files
The following are the SerialTrunc files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 7/50 | SerialTruncbho.dll |
| 8/49 | SerialTruncbho.dll |
| 3/50 | utilSerialTrunc.exe |
| 2/49 | updateSerialTrunc.exe |
| 1/50 | SerialTrunc.BrowserAdapter.exe |
| 10/48 | SerialTruncBHO.dll |
| 22/51 | SerialTruncbho.dll |
| 7/51 | updateSerialTrunc.exe |
| 24/51 | SerialTruncbho.dll |
| 12/49 | Setup[1].exe |
| 3/50 | NOD8C8B.tmp |
| 2/50 | updateSerialTrunc.exe |
| 2/51 | utilSerialTrunc.exe |
| 3/51 | utilSerialTrunc.exe |
| 14/56 | SerialTruncBHO.dll |
Scanner and Detection Names
Here is the detection names for the SerialTrunc files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | Agent.W, MalSign.Generic.B7A, BrowseFox.F |
| AVware | Yontoo (fs) |
| Agnitum | PUA.Agent! |
| AntiVir | APPL/BrowseFox.Gen2 |
| Antiy-AVL | AdWare/Win32.Agent, GrayWare[AdWare:not-a-virus]/Win32.Agent, AdWare/Win32.WebCake.gen |
| Avast | Win32:Malware-gen, Win32:PUP-gen [PUP] |
| Avira | ADWARE/BrowseFox.Gen2 |
| Baidu-International | Adware.Win32.BrowseFox.BO |
| CAT-QuickHeal | AdWare.Agent.ahbx (Not a Virus) |
| Comodo | Application.Win32.Altbrowse.AK, Application.Win32.BrowseFox.JM |
| DrWeb | Adware.Plugin.100, Trojan.BPlug.10, Trojan.BPlug.28, Trojan.BPlug.35, Trojan.BPlug.9, Trojan.BPlug.142 |
| ESET-NOD32 | a variant of Win32/BrowseFox.F, a variant of Win32/BrowseFox.G, a variant of Win32/BrowseFox.I, a variant of Win32/BrowseFox.H, Win32/BrowseFox.B, a variant of Win32/BrowseFox.O |
| F-Prot | W32/S-7bed2e86!Eldorado |
| Fortinet | Adware/Agent, Riskware/BrowseFox |
| GData | Win32.Application.BrowseFox.B |
| Ikarus | not-a-virus:AdWare.Win32.Agent |
| Jiangmin | Adware/Agent.jaw |
| K7AntiVirus | Unwanted-Program ( 00454f261 ), Trojan ( 0040f9921 ) |
| K7GW | Unwanted-Program ( 00454f261 ), Trojan ( 0040f9921 ) |
| Kaspersky | not-a-virus:AdWare.Win32.Agent.ahbx |
| Kingsoft | Win32.Troj.Agent.ah.(kcloud) |
| Malwarebytes | PUP.Optional.SerialTrunc.A |
| McAfee | Artemis!45D9A0E1C013, Artemis!91A34F3880A4, Artemis!6269F6BB2D26 |
| McAfee-GW-Edition | Artemis!45D9A0E1C013, Artemis!91A34F3880A4, Artemis!6269F6BB2D26 |
| NANO-Antivirus | Riskware.Win32.Agent.cqvnby, Trojan.Win32.BPlug.ddwtte |
| Rising | NS:PUF.SilenceInstaller!1.9DDF |
| SUPERAntiSpyware | Adware.BrowseFox/Variant |
| Sophos | Generic PUA HN, Generic PUA DN, Generic PUA IN, Generic PUA GO |
| TrendMicro-HouseCall | TROJ_GEN.F47V0227, TROJ_GEN.F47V0403, TROJ_GEN.F47V0326, TROJ_GEN.F47V0119 |
| VBA32 | AdWare.Agent, AdWare.Kranet |
| VIPRE | Adware.Agent, Yontoo (fs) |
* How the Detection Percentage is Calculated
The detection percentage is based on the fact that I have collected 857 scan results for the SerialTrunc files. 120 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 is based on certificates with the following serial numbers:
- 167d55fa84ed98e4d7f5933fec5e95ba
- 37dac0eb032b561622590a3abc33692c