Did you just find a file that has been digitally signed by Zhuhai Kingsoft Software Co.,Ltd? If that's the case, please read on.
You will typically notice Zhuhai Kingsoft Software Co.,Ltd 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 digital signature details for Zhuhai Kingsoft Software Co.,Ltd with the following steps:
Here is a screengrab of a file that has been digitally signed by Zhuhai Kingsoft Software Co.,Ltd:
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 Zhuhai Kingsoft Software 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, etc. You can also view the address for Zhuhai Kingsoft Software Co.,Ltd, such as the street name, city and country.
VeriSign Class 3 Code Signing 2009-2 CA has issued the Zhuhai Kingsoft Software Co.,Ltd certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the Zhuhai Kingsoft Software Co.,Ltd files I have gathered, thanks to the FreeFixer users.
Detection Ratio | File Name |
---|---|
1/51 | bc.sys |
13/48 | saes.exe |
1/43 | kdumprep.exe |
1/57 | kavuty.sys |
0/42 | kxetray.exe |
0/43 | kwatch64.sys |
0/43 | kxescore.exe |
0/52 | bc.sys |
0/47 | kavbootc.sys |
0/48 | kavbootc64.sys |
0/46 | kmodurl64.sys |
0/45 | ksdef.sys |
0/43 | kavbootc64.sys |
Here's the detection names for the Zhuhai Kingsoft Software Co.,Ltd files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
Scanner | Detection Names |
---|---|
AegisLab | Troj.W32.Gen |
Bkav | W32.FakeAV009.Adware |
ByteHero | Trojan.Malware.Win32.xPack.g |
Commtouch | W32/Trojan.RNJU-1461 |
F-Prot | W32/Trojan4.BOZ |
Fortinet | W32/ExKsWS.A!tr, W32/Kryptik.SIN!tr |
McAfee | Generic FakeAlert!vd |
McAfee-GW-Edition | Generic FakeAlert!vd |
Norman | FakeAV.EP!genr |
Sophos | Troj/ExKsWS-A |
TotalDefense | Win32/FakeAV.VNW |
TrendMicro | TROJ_SPNR.0FCQ12 |
TrendMicro-HouseCall | TROJ_SPNR.0FCQ12 |
VBA32 | Trojan.FakeAV.01168 |
nProtect | Trojan/W32.Agent.214424 |
The detection percentage is based on the fact that I've gathered 2190 scan results for the Zhuhai Kingsoft Software Co.,Ltd files. 16 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.
The analysis is based on certificates with the following serial numbers: