Backdoor.Farnaz
Description Backdoor.Farnaz
This program is a hidden telnet server. It stays in the system as a hidden application and listens to socket 133 using TCP/IP protocol. By using that, a hacker may connect to a victim computer and get access to disk files and system resources.
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Adrenalin.571
Description Adrenalin.571
It is a dangerous nonmemory resident parasitic virus. It searches for .COM files, then writes itself to the end of the file. The virus leaves the part of code in the system memory, hooks INT 21h, intercepts FindFirst/Next DOS calls, and returns "decreased" lengths of the infected files. In some cases the virus overwrites the files with trojan program. While executing that program erases CMOS and displays the message:
ADRENALIN OVERDOSE error. System dead.
ADT.1778
Description ADT.1778
It is not a dangerous memory resident parasitic virus. It hooks INT 21h and when any program is executed, searches for COM and EXE files in the directory from where the program is run, and writes itself to the end of the file. When a debugger is run, the virus displays the text:
-------------##########-############----##############---------####-----------
------------###########-##############--##############---------####-----------
-----------#####--#####-#####----######------####--------------####-----------
----------#####---#####-#####----######------####--------------####-----------
---------##############-#####----######------####---------------##------------
--------###############-#####----######------####---------------##------------
-------#####------#####-##############-------####-----------------------------
------#####-------#####-############---------####---------------##------------
On 19th of any month the virus also hooks INT 9 (keyboard) and displays the text " Andreas" at the cursor position.
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