Trojan-Dropper.Win32.Small.go

Technical Details
Payload
Removal instructions

Technical Details

This Trojan is designed to install and launch other programs on the victim machine. It is a Windows PE EXE file. It is 10,752 bytes in size.

Payload

When launching, the Trojan extracts the following file from its body and launches it for execution:

• %System%\svchosd.exe — this file is 7,000 bytes in size. It will be detected by Kaspersky Anti-Virus as Trojan-Downloader.Win32.Small.jm

The Trojan also creates the following value in the system registry:

The Trojan modifies the value of the following system registry key:

This ensures that the Trojan will be launched each time Windows is booted on the victim machine.

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 Trojan process.
2. Delete the original Trojan file (the location will depend on how the program originally penetrated the victim machine).
3. Delete the file created by the Trojan:

   %System%\svchosd.exe

4. Delete the following system registry key parameter:
   [HKLM\Software\Microsoft\Windows\CurrentVersion\Run]
   "Aplune Service" = "%System%\svchosd.exe"
5. Revert the value of the registry key as shown below:
   [HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
   "Shell" = "Explorer.exe"
6. Update your antivirus databases and perform a full scan of the computer (download a trial version of Kaspersky Anti-Virus).