Trojan-Downloader.Win32.Small.bar

Technical Details

This Trojan downloads another malicious program via the Internet and launches it on the victim machine without the user’s knowledge or consent. It is a Windows PE EXE file. It is 1365 bytes in size. It is packed using FSG. The unpacked file is approximately 27KB in size.

Payload

The Trojan downloads a file from the following link:

The file is then saved as follows:

Once downloaded, the file will be launched for execution.

At the moment of writing, the link was not working.

Removal instructions

If your computer does not have an up-to-date antivirus, or does not have an antivirus solution at all, follow the instructions below to delete the malicious program:

1. Use Task Manager to terminate the malicious program’s process.
2. Delete the original Trojan file (the location will depend on how the program originally penetrated the victim machine).
3. Delete the following file:
   C:\DownSYS.exe
4. Update your antivirus databases and perform a full scan of the computer (download a trial version of Kaspersky Anti-Virus).