Virus Database

Macro.Excel.Uedasun

Description Macro.Excel.Uedasun

This is an Excel macro-virus containing eight procedures in the module "A-TDK": Save, auto_open, scan, Status, DO_EVERYTHING, DO_SOMETHING, nexts, and check. The virus infects workbooks upon workbook opening or activating any of its sheets. The infection procedure creates an infected workbook with the name "TDK-MAC.XLS" in the Excel StartUp directory, and also infects the active workbook.
If the value in the "A16384" cell is not the "uedasan" text, the virus starts its payload procedure. In April, it removes all files with the extension ".SYS" from the C: root directory that also have hidden and system attributes set (C:IO.SYS, C:MSDOS.SYS). If the month is later than April and the time hour is less than six a.m., the virus removes all files in the current directory that have hidden and system attributes set.

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Psycho.723

Description Psycho.723

It is a very dangerous nonmemory resident virus. It overwrites all files of the current directory. It contains the text:
Oh, oh, oh, She's my cover girl,
Oh, oh, oh, oh, oh, oh
Oh, oh, oh, She's my cover girl,
Oh, oh, oh, oh, oh, oh
Cover Girl by The New Kids On The Block
Hangin' Tough (c) 1988 CBS Records
I luv Jordan
Written by (Psychogenius) 12/28/91
NKOTB JORDAN The Cover Girl Virus *.*

Psyco.804

Description Psyco.804

It is not a dangerous nonmemory resident parasitic virus. It searches for C:COMMAND.COM and .COM files of current directory, and writes itself to the end of the file. It contains the text strings:
INFECT
COMMAND.COM

It decrypts and displays the message:
Psyco ITALY!

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