Trojan-Downloader:W32/Small.EKV
Summary
This type of trojan secretly downloads malicious files from a remote server, then installs and executes the files.
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
Trojan-Downloader:W32/Small.EKV attempts to download and install other malware to the system. Small.EKV arrives on the system as a downloaded file of Exploit:W32/Ani.C.
Execution
Upon execution, it launches Internet Explorer by using the following hard-coded path:
- C:\program files\Internet Explorer\Iexplore.exe
It then injects the code to Internet Explorer and proceeds to download and execute another file from the following site:
- http://220.71.76.189/[REMOVED].exe
The site listed above is currently inaccessible as of the time of this writing.
Detection
F-Secure Anti-Virus detects this malware with the following updates:
Detection Type: PC
Database: 2007-03-29_10
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