Did you just stumble upon a file that has a digital signature from Kingsoft Security Co.,Ltd? If so, please read on.
You'll probably notice Kingsoft Security Co.,Ltd when clicking to run the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screengrab shows:
You can also view the Kingsoft Security Co.,Ltd certificate with the following procedure:
Here's a screenshot of a file digitally signed by Kingsoft Security Co.,Ltd:
As you can see in the screenshot above, Windows states that "This digital signature is OK". This implies that the file has been published by Kingsoft Security Co.,Ltd and that the file has not been tampered with.
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, and so on. You can also see the address for Kingsoft Security Co.,Ltd, such as the street name, city and country.
VeriSign Class 3 Code Signing 2009-2 CA and VeriSign Class 3 Code Signing 2010 CA has issued the Kingsoft Security Co.,Ltd certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screencap above.
These are the Kingsoft Security Co.,Ltd files I have collected, thanks to the FreeFixer users.
Detection Ratio | File Name |
---|---|
1/43 | KSafeSvc.exe |
1/43 | ksafesvc.exe |
1/42 | netmon.exe |
2/56 | ksafevulfix.exe |
1/56 | ktransform.exe |
3/71 | down_s_70_131632.exe |
0/47 | kphonetray.exe |
0/46 | ksafesvc.exe |
0/43 | KSafeTray.exe |
0/48 | KSafeTray.exe |
0/43 | KSafeTray.exe |
0/57 | knbcenter.exe |
0/48 | KSafe.exe |
0/56 | dgservice.exe |
0/48 | perfopt.exe |
Here's the detection names for the Kingsoft Security Co.,Ltd files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
Scanner | Detection Names |
---|---|
ByteHero | Trojan.Malware.Win32.xPack.m |
DrWeb | DLOADER.Trojan, Adware.Downware.2041 |
NANO-Antivirus | Riskware.Win32.Adw.czzykv |
Rising | PE:Malware.Symmi!6.19C5 |
VIPRE | BehavesLike.Win32.Malware.wsc (mx-v) |
Zillya | Downloader.LMN.Win32.390993 |
The detection percentage is based on that I've collected 2360 scan reports for the Kingsoft Security Co.,Ltd files. 9 of these scan results 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 done on certificates with the following serial numbers: