Threat Encyclopedia

Selected viruses, spyware, and other threats: sorted alphabetically

Short description
The trojan tries to download several files from the Internet. The files are then executed.
Installation
When executed the trojan copies itself in the following locations:
  • %system%\reader_s.exe
  • %userprofile%\reader_s.exe
In order to be executed on every system start, the trojan sets the following Registry entries:
  • [HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\
    CurrentVersion\Run]
    "reader_s" = "%system%\reader_s.exe"
  • [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\
    Run]
    "reader_s" = "%userprofile%\reader_s.exe"
The trojan creates and runs a new thread with its own program code within the following processes:
  • svchost.exe
Other information
The trojan contains a list of URLs. It tries to download several files from the addresses.

These are stored in the following locations:
  • %temp%\BN%variable%.tmp


A string with variable content is used instead of %variable% .

The downloaded files contain encrypted executables. After decryption, the trojan runs these files.

The trojan may create and run a new thread with its own program code within any running process.