Virus Database

I-Worm.Petik

Description I-Worm.Petik

This is an Internet worm that spreads as an 8Kb MADCOW.EXE file attached to e-mail messages. To send infected messages, the worm uses MS Outlook. The worm also is able to send its copies to IRC channels by infecting an mIRC client.
First Run
When the worm is started for the first time (if a user clicks on the EXE attachment to the message, or accepts an IRC download), the worm copies itself to two files:
the Windows system directory with Wininet32.exe name

the Windows directory with MadCow.exe name
and registeres a MadCow.exe file in the auto-run section:
in the WIN.INI file, [windows] section, "run=" key - under Win9x
in the system registry in "Run=" key - under WinNT
The worm then creates a C:WIN32 directory and creates two files here (DOS batch file and VBS script program):
ENVOIE.BAT - it just spawns an ENVOIE.VBS file (next file)
ENVOIE.VBS - this script spreads the worm with infected messages
While spreading, the script connects to MS Outlook and sends infected e-mail messages to all addresses in the MS Outlook Address Book. The messages contain the following:
Subject: Pourquoi les vaches sont-elles folles ?
Body: Voila un rapport expliquant la folie des vaches
Attachment: MadCow.exe
Second Run
Upon the next start (next Windows restart), the worm creates its copy with the MadCow.exe name in the C:WIN32 directory, and then infects an mIRC client in the following directories:
C:MIRCC:MIRC32C:Program FilesMIRC
C:Program FilesMIRC32
The infected mIRC client sends a worm copy (MadCow.exe file) to all users that join the infected channel.
Other
The worm creates the registry key: HKLMSoftware[Atchoum]
If there is no mIRC client found in the system, the worm creates the MSLS.ICO file in the Windows system directory, writes there an image of imp (devil) and registers as a standard icon for EXE files.
The worm also contains the following text stings in its body:
IWorm.MadCow par PetiK (c)2000
I Love You Maya / Je t'aime

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Macro.Word.Cheat

Description Macro.Word.Cheat

This is an extremely short and primitive macro virus. It contains only one macro AutoOpen and replicates itself on opening documents. It does not manifest itself in any way.

Macro.Word.CheckF

Description Macro.Word.CheckF

This virus contains only one macro named ChekFuk in documents and AutoClose in the NORMAL.DOT. The virus infects documents on closing (AutoClose). It infects the global macros area on entering the form field in an infected document - the virus creates a form field in documents and sets the ChekFuk macro as entry-macro for this form field. This method allows the virus do not create auto-macro in documents.
The virus sets the "ChekWarez" password to modify documents' properties, including viewing macros in Tools/Macro menu. On 15th of any month the virus displays the MessageBox:
Do you use ChekMate/ChekWord?

Depending on user's reply the virus then displays one of MessageBoxes:
ChekFuk Virus
Do NOT use ChekWord or ChekMate.
They suck!
ChekFuk Virus
Thank you for NOT using ChekWare.

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