Did you just run into a download or a file on your computer that has been digitally signed by search core systems? Some of the security products refers to the detected files as UnclassifiedMalware and Win32/Adware.Bonzuna.A. The detection rate for the search core systems files collected here is 3%. Please read on for more details.
You will typically see search core systems 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 also view the search core systems certificate with the following procedure:
Here is a screenshot of a file that has been digitally signed by search core systems:
As you can see in the screenshot above, Windows reports that "This digital signature is OK". This implies that the file has been published by search core systems 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 view the address for search core systems, such as the street name, city and country.
GlobalSign CodeSigning CA - G2 has issued the search core systems certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the search core systems files I've gathered, thanks to the FreeFixer users.
Detection Ratio | File Name |
---|---|
2/32 | wcoretb.dll |
1/54 | update.exe |
Here's the detection names for the search core systems files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
Scanner | Detection Names |
---|---|
Comodo | UnclassifiedMalware |
ESET-NOD32 | Win32/Adware.Bonzuna.A |
Rising | PE:Malware.DealCabby!6.351 |
The detection percentage is based on the fact that I've collected 86 scan results for the search core systems files. 3 of these scan reports came up with some sort of detection. If you like, 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: