Win32/Jbosser [Threat Name] go to Threat

Win32/Jbosser.A [Threat Variant Name]

Category trojan
Size 205284 B
Aliases Trojan:Win32/Jbosser!rfn (Microsoft)
  Trojan.DownLoader13.6792 (Dr.Web)
Short description

The trojan serves as a backdoor. It can be controlled remotely.


When executed, the trojan copies itself in some of the the following locations:

  • %system%\­Time32.exe
  • %windir%\­SysWoW64\­Time32.exe

The trojan registers itself as a system service using the following name:

  • Time

This causes the trojan to be executed on every system start.

After the installation is complete, the trojan deletes the original executable file.

Information stealing

The trojan collects the following information:

  • computer name
  • CPU information
  • operating system version

The trojan attempts to send gathered information to a remote machine.

Other information

The trojan acquires data and commands from a remote computer or the Internet.

The trojan contains a URL address. The TCP, UDP protocol is used in the communication.

It can execute the following operations:

  • download files from a remote computer and/or the Internet
  • run executable files
  • perform DoS/DDoS attacks

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