Summary
Trojan:W32/Sacom attempts to contact remote servers.
Removal
Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.
A False Positive is when a file is incorrectly detected as harmful, usually because its code or behavior resembles known harmful programs. A False Positive will usually be fixed in a subsequent database update without any action needed on your part. If you wish, you may also:
- Check for the latest database updates
First check if your F-Secure security program is using the latest updates, then try scanning the file again.
- Submit a sample
After checking, if you still believe the file is incorrectly detected, you can submit a sample of it for re-analysis.
Note: If the file was moved to quarantine, you need to collect the file from quarantine before you can submit it.
- Exclude a file from further scanning
If you are certain that the file is safe and want to continue using it, you can exclude it from further scanning by the F-Secure security product.
Note: You need administrative rights to change the settings.
Technical Details
This trojan attempts to contact the following domains:
- jsactivity.com
- bfkq.com
- https://cnwebmastersblog.com/xabc/2.0/
- https://74.54.89.66/p0821/2.0/
- https://74.54.201.210/p0821/2.0/
- https://174.133.147.18/p0821/2.0/
- 74.54.201.210
- 74.55.37.210
- 74.54.89.66
- 174.133.126.2
The trojan is most probably attempting to download additional malware, or act as a silent advertisement clicker.
Registry
The trojan adds the following values to the registry.
- HKLM
- HKLM\SOFTWARE\Microsoft\WBEM
These registry valued are encoded characters.
File System Changes
Creates these files:
- %windir%\system32\comsa32.sys
- %windir%\Documents and Settings\[Username]\Local Settings\Temp\mta[Random Number].dll
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