Trojan.SymbOS.Mosquit.a
Description Trojan.SymbOS.Mosquit.a
This program is not strictly a Trojan. However, it is classifed as a Trojan as it sends SMS messages to premium rated services without the knowledge of the user. The numbers which messages are sent to are coded into the program.
The program masqerades as a pirate version of a popular game Mosquitos, which runs under Symbian OS.
The game is widely available on public download sites and also via some P2P networks:
Installation
Mosquit.a consists of an SIS installation file about 140KB in size. The original name of the file is either "Mosquitos Cracked by Soddom.sis" or "Mosquitos Cracked by Soddom V2.0.sis"; however, there are versions circulating on the Internet under other names.
The Trojan itself is installed as Mosquitos.app and is 261.6 KB in size.
When users launch the game the Trojan displays the following message:
Check other viruses! Be aware! Use Antiviral Software
Caterpillar.a
Description Caterpillar.a
This is a memory resident harmless virus. It hooks INT 1Ch, 21h and writes itself to the end of COM and EXE files. The files are infected as they are started or searched in directories by DOS functions FindFirst/Next FCB. Under some conditions a "green caterpillar" begins to creep along the screen.
The Caterpillar only shows up when the following conditions are met: after the virus has infected the computer for 2 months, and has an EGA monitor or better, and runs an ANSI device driver.
Cathinone.440
Description Cathinone.440
It is a harmless nonmemory resident parasitic virus. It searches for EXE files in the current and all parent directories, then writes itself to the end of files. After infecting the virus displays the message:
Cathinone v1.0 by: Evul
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