Virus Database

Hider.1782

Description Hider.1782

This is a dangerous non-memory resident encrypted parasitic virus. It searches for COM (except COMMAND.COM) and EXE files, and writes itself to the end of the file. It deletes anti-virus data files. It contains the text string:
*.MS *VIR.DAT COMMAND.
On 13th of each month it sets Hidden attribute to the files and displays the message:
Anston Rant is back for more!
Whoa, looks like you be missin some files there, Bud!

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IRC-Worm.Evion

Description IRC-Worm.Evion
IRC-Worm.Evion Evion is an IRC worm spreading via IRC channels. The virus is written in Visual Basic Script (VBS). It overwrites .vbs and .html files on all local and mapped drives.
Installing:
When the worm is executed it does the following:
Evion creates copies of itself in the root directory of disk C: in the file "Win32 Strt.exe.vbs " and in the system directory file "BootLoader.exe.vbs" as well as in the root Windows directory in the files"Jokes.htm" and "Winupdate.exe"
Evion overwrites these existing files with a copies of itself:

%Windir%Readme.htm
%Windir%Htmlhelp.htm
%System%Winhelp32.exe
%Mirc%script.ini

Evion registers the files "BootLoader.exe.vbs" and "Win32 Strt.EXE" in the automatic launch string of the system registry:
HKEY_LOCAL_MACHINEMicrosoftWindowsCurrentVersionRun - (BootLoader.exe.vbs)
HKEY_LOCAL_MACHINESoftwareMicrosoftWindowsCurrentVersionRunServices - (Win32 Strt.EXE)

Spreading
Evion searches for the all .vbs files and overwrites the existing .vbs files with a copies of itself. Files that have the extensions .htm, .html, .asp, .htx, and .hta are replaced with the .HTML version of the worm.
The "Script.ini" file is a short mIRC program that sends the %Windir%Jokes.htm file to everybody who enters an infected channel.
Payload
The worm activates its payload three different days (October 15th, November 23rd and December 25th), and displays a Message Box with the following respective texts:

with Message box title "my b-day" and text "happy birthday kefi" - 15 october
with Message box title "11/23!" and text "holy sh*t! it's 11/23" - 23 november
with Message box title "kefi [rRlf]" and text "Organized religion controls the world" - 25 december

On these payload activation days the worm also creates 16 text files in the Windows Startup folder. The file name uses the format: StartupEvion(n).txt, where n is between 0 and 15 (inclusive). These files contain 50 text strings of randomly generated text that is selected from these three lines:

You've done and gotten your self infected with Vbs.Evion by kefi [rRlf] [rRlf] ownz joo bitch Catfish_VX are lamers. This virus was constructed for them to steal

On days other than the ones on which the payload runs, a text document is created in the Desktop Windows directory. The file name uses the format "Desktop\%day% - %month%.vir.txt".
These files contain the following text:
today you did not experience the payload of Vbs.Evion
sorry..
kefi [rRlf]

IRC-Worm.Godog.a

Description IRC-Worm.Godog.a

This is a virus worm that spreads via IRC channels. It is a DOS program, and when run, it copies itself to the MIRC directory (if MIRC software is installed) with the "GhostDog.exe" name, and creates the SCRIPT.INI mIRC script file here. This script contains instructions that send a worm copy to users that enter the infected IRC channel. The script also hides messages if they contain the "virus" or "worm" words.
The main worm feature is the fact that it generates polymorphic instructions in the SCRIPT.INI file. These instructions are mixed in order; characters are randomly uppper and lower-cased; there are a random number of random comment-lines here, for example:
n0=$40Yw840RIGlx6Amlp7G0JaZ4QTs840N
n1=On 1^tExt^*WoRm*^*^{ /Ignore $nick | /closeMsg $NiCk }
n2=$HyX5NMq840KBAfrpTGfj7Z0DuT5J6m840GXWb1lQcbe7V0ZpT5F5j840CTRwihMYW
Despite the strange appearance, the script commands maintain their functionality.

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