Virus Database

Trojan.Win32.Trasher

Description Trojan.Win32.Trasher

This is a silly Win32 Trojan program. Upon start-up, it copies itself to the Windows system directory with the MFC42W.EXE name, and registers this file in the Windows registry auto-run key:
HKLMSoftwareMicrosoftWindowsCurrentVersionRun MFC42Profile = MFC42W.EXE
The Trojan then "sleeps" for about three minutes, and then creates a TRASH.BIN file in the Windows directory, and then writes to this file garbage in an endless loop; thus, decreasing hard-drive free space by filling it with useless data.

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Nie.1664

Description Nie.1664

It is a dangerous nonmemory resident parasitic virus. It searches for COM files and writes itself to the end of the file. While infecting this virus uses FCB functions to open/read/write/close the file. After infection this virus hooks INT 1Ch and leaves a memory resident program. That program checks the keyboard codes that are entered, and in some cases reboots the computer.
This virus contains the text strings, the first one is not encrypted, other strings are encrypted ones:
Nie znaleziono pliku lub zla sciezka dostepu!
Copyright by Krzysztof Jankowski.
WARSZAWA 1993.
All rights reserved.
Printed in Poland.

Nigeb.890

Description Nigeb.890

It is a dangerous memory resident encrypted parasitic virus. It hooks INT 1Ch, 21h and writes itself to the end of COM files that are executed.
While writing to the files (INT 21h, AH=40h) the virus converts the strings "BEGIN" (lower or upper-cased) to "NIGEB". On INT 1Ch (timer) calls it scans the screen for "NIGEB" strings, and converts them to "BEGIN".
The virus contains the text strings:
igeb
egin
AntiPascal-1 (C)Godzilla Corp.

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