Trojan-Downloader:W32/Small.EKV

Threat description

Details

CATEGORYMalware
TYPETrojan-Downloader
DATE DISCOVEREDMarch 29, 2007

Summary

This type of trojan secretly downloads malicious files from a remote server, then installs and executes the files.



Removal

Automatic action

Depending on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the suspect file, or ask you for a desired action.

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You may also refer to the Knowledge Base on the F-Secure Community site for more information.

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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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