Win32/Neshta [Threat Name] go to Threat

Win32/Neshta.A [Threat Variant Name]

Category virus
Size 41472 B
Aliases Virus.Win32.Neshta.a (Kaspersky)
  W32/HLLP.41472.e.virus (McAfee)
  Virus:Win32/Neshta.A (Microsoft)
  W32.Neshuta (Symantec)
Short description

Win32/Neshta.A is a file infector.


When executed, the virus creates the following files:

  • %temp%\­tmp5023.tmp
  • %windir%\­directx.sys
  • %windir%\­ (41472 B, Win32/Neshta.A)

The following Registry entry is set:

  • [HKEY_CLASSES_ROOT\­exefile\­shell\­open\­command]
    • "(Default)" = "%windir%\­ "%1" %*"

This causes the virus to be executed along with any program.

Executable file infection

Win32/Neshta.A is a file infector.

The virus searches local drives for files with the following file extensions:

  • .exe

The virus infects the files by inserting its code at the beginning of the original program.

The size of the inserted code is 41472 B .

It also infects files stored on removable and network drives.

It avoids files which contain any of the following strings in their path:

  • %temp%
  • %windir%
  • \­PROGRA~1\­

Several other criteria are applied when choosing a file to infect.

When an infected file is executed, the original program is being dropped into a temporary file and run.

The original file is stored in the following location:

  • %temp%\­3582-490\­%filename%
Other information

It contains the following text:

  • Delphi-the best. Fuck off all the rest. Neshta 1.0 Made in Belarus. Прывiтанне усiм ~цiкавым~ беларус_кiм дзяучатам. Аляксандр Рыгоравiч, вам таксама :) Восень- кепская пара... Алiварыя - лепшае пiва! Best regards 2 Tommy Salo. [Nov-2005] yours [Dziadulja Apanas]

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