Win32/SpyVoltar [Threat Name] go to Threat

Win32/SpyVoltar.B [Threat Variant Name]

Category trojan
Size 152064 B
Aliases Trojan.Win32.Inject.gudd (Kaspersky)
  Trojan:Win32/Vundo (Microsoft)
Short description

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


The trojan does not create any copies of itself.

The trojan launches the following processes:

  • %malwarefilepath%

The trojan creates and runs a new thread with its own code within these running processes.

The trojan schedules a task that causes the following file to be executed repeatedly:

  • %malwarefilepath%

In order to be executed on every system start, the trojan sets the following Registry entry:

  • [HKEY_CURRENT_USER\­SOFTWARE\­Microsoft\­Windows\­CurrentVersion\­Run]
    • "%variable1%" = "%malwarefilepath%"

The trojan creates the following files:

  • %currentfolder%\­%variable2%

A string with variable content is used instead of %variable1-2% .

Information stealing

The trojan collects information related to the following applications:

  • CuteFTP
  • FAR Manager
  • FileZilla
  • FlashFXP
  • FTP Commander
  • SmartFTP
  • Total Commander
  • WinSCP

The following information is collected:

  • FTP account 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 list of (20) URLs. The HTTP protocol is used.

It can execute the following operations:

  • download files from a remote computer and/or the Internet
  • run executable files
  • update itself to a newer version

The trojan sends HTTP requests to simulate clicks on banner advertisements, to inflate web counter statistics etc.

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