1. Skip to navigation
  2. Skip to content
  3. Skip to sidebar



Trojan.PSW.Small.e, TrojanDownloader.Win32.Small.bt




Shash consists of a downloader and a data stealing trojan. The downloader was spread in multiple e-mail messages on 7th of November 2003. When activated, it downloads and runs the executable file that is a data stealing trojan.

Disinfection & Removal

Automatic Disinfection

Allow F-Secure Anti-Virus to disinfect the relevant files.

For more general information on disinfection, please see Removal Instructions.

Technical Details

The downloader was distributed in multiple e-mails on 7th of November, 2003. The file name of the downloader is:


When the downloader is run by a user, it downloads and activates an executable file from an account on phpwebhosting.com server.The downloaded file is a data stealing trojan based on the code that can be found in Mimail.C worm. When activated, the trojan copies itself as NETSPACE32.EXE file to Windows folder and creates a startup key for its file in the Registry:

 "NetSpace32" = "%windir%\netspace32.exe"

where %windir% is a Windows folder.The trojan stays in Windows memory and monitors open application windows. When a certain window is found, the trojan gets certain information from it, saves it to C:\TMP2993.TMP file and then sends this file to 2 e-mail addresses that are hardcoded in the trojan's body.


Detection in F-Secure Anti-Virus was published on November 10th, 2003 in update:

Detection Type: PC

Description Created: Alexey Podrezov, November 7th, 2003

Submit a sample

Wondering if a file or URL is malicious? Submit a sample to our Lab for analysis via the Sample Analysis System (SAS)

Give And Get Advice

Give advice. Get advice. Share the knowledge on our free discussion forum.