Did you just run into a download or a file on your computer that has been digitally signed by P4hostcom? Some of the security products refers to the detected files as Adware.Agent.PMV and Adware.Superfish.217. The detection rate for the P4hostcom files collected here is 9%. Please read on for more details.
You'll probably notice P4hostcom when double-clicking to run the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:
You can view the additional details from the P4hostcom digital signature with the following procedure:
Here is a screenshot of a file digitally signed by P4hostcom:
As you can see in the screenshot above, the Windows OS states that "This digital signature is OK". This implies that the file has been published by P4hostcom 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, etc. You can also examine the address for P4hostcom, such as the street name, city and country.
COMODO Code Signing CA 2 has issued the P4hostcom certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the P4hostcom files I've gathered, thanks to the FreeFixer users.
Detection Ratio | File Name |
---|---|
4/56 | WeWatcherLSP64.dll |
3/56 | WeWatcherLSP64.dll |
3/56 | WebWatcherLSP64.dll |
4/57 | WeWatcherLSP64.dll |
6/56 | WeWatcherLSP.dll |
3/57 | WeWatcherLSP64.dll |
6/57 | WeWatcherLSP.dll |
10/56 | WebWatcherLSP64.dll |
Here's the detection names for the P4hostcom files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
Scanner | Detection Names |
---|---|
ALYac | Adware.Agent.PMV |
AVG | Generic.C68 |
Ad-Aware | Adware.Agent.PMV |
Antiy-AVL | GrayWare[AdWare:not-a-virus]/Win64.Kolorpik |
Avast | Win32:Adware-gen [Adw] |
BitDefender | Adware.Agent.PMV |
Bkav | W64.HfsAdware.15FF, W32.HfsAdware.15FF |
DrWeb | Adware.Superfish.217 |
Emsisoft | Adware.Agent.PMV (B) |
F-Secure | Adware.Agent.PMV |
GData | Adware.Agent.PMV |
Jiangmin | AdWare/OptimizerMonitor.w, AdWare/Kolorpik.a, AdWare/OptimizerMonitor.h |
Malwarebytes | PUP.Optional.Winsock.HijackBoot |
MicroWorld-eScan | Adware.Agent.PMV |
Qihoo-360 | HEUR/QVM30.1.Malware.Gen |
Symantec | WS.Reputation.1 |
TrendMicro-HouseCall | Suspicious_GEN.F47V0524, Suspicious_GEN.F47V0319, Suspicious_GEN.F47V0514 |
nProtect | Adware.Agent.PMV |
The detection percentage is based on that I've gathered 451 scan reports for the P4hostcom files. 39 of these scan reports came up with some sort of detection. You can review the full details of the scan results by examining the files listed above.
The analysis is done on certificates with the following serial numbers: