Did you just run into a download or a file on your computer that has a digital signature from Wincare utilities? Some of the security products refers to the detected files as Trojan.Win32.Agentb.jpri and PUP/Win32.Agent.C3298794. The detection rate for the Wincare utilities files collected here is 22%. Please read on for more details.
You will typically notice Wincare utilities when 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 also view the Wincare utilities certificate with the following procedure:
Here is a screengrab of a file signed by Wincare utilities:
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 Wincare utilities and that no one has tampered with the file.
If you click the View Certificate button shown in the screenshot above, you can examine 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 see the address for Wincare utilities, such as the street name, city and country.
COMODO RSA Code Signing CA has issued the Wincare utilities certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screencap above.
These are the Wincare utilities files I've gathered, thanks to the FreeFixer users.
Detection Ratio | File Name |
---|---|
15/68 | avststup.exe |
Here's the detection names for the Wincare utilities files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
Scanner | Detection Names |
---|---|
AhnLab-V3 | PUP/Win32.Agent.C3298794 |
Alibaba | Trojan:Win32/Agentb.44b1a0dd |
Cyren | W32/Trojan.WEGF-0438 |
DrWeb | Program.Unwanted.3866 |
Fortinet | W32/Agentb.JPRI!tr |
Kaspersky | Trojan.Win32.Agentb.jpri |
McAfee | Artemis!08911FB66637 |
McAfee-GW-Edition | Artemis!Trojan |
Panda | PUP/InstallCore |
Qihoo-360 | Win32/Trojan.633 |
Symantec | Trojan.Gen.2 |
Tencent | Win32.Trojan.Agentb.Gll |
VBA32 | Trojan.Agentb |
Webroot | W32.Adware.Gen |
ZoneAlarm | Trojan.Win32.Agentb.jpri |
The detection percentage is based on that I have gathered 68 scan reports for the Wincare utilities files. 15 of these scan reports came up with some sort of detection. If you like, you can view the full details of the scan reports by examining the files listed above.
The analysis is based on certificates with the following serial numbers: