Gly.1182
Description Gly.1182
It is not a dangerous memory resident partly encrypted parasitic virus. It writes itself to the end of .COM files. When an infected file is executed, the virus infects the C:COMMAND.COM file, then hooks INT 21h and infects .COM files on DOS calls FindFirst/Next FCB (DIR command). If an infected program is executed on May 25th at 13:xx, the virus displays the message and plays a tune:
Happy birthday to you,Dear Yang !
The virus also contains the text strings:
G L Y Serial Number:
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Novosibirsk.1000
Description Novosibirsk.1000
It is a dangerous memory resident parasitic virus. It hooks INT 21h and writes itself to the end of COM and EXE files that are executed or accessed. When any infected program is executed the virus also searches for first EXE file in current directory and infects it.
The virus uses not accurate way to install itself into the system memory. As a result it can halt the system. The virus cancels access to hidden disk files by DOS Find calls, as a result the hidden files on computer stays "invisible" for DOS file managers and "DIR /AH" command. The virus contains the text strings:
WRA
NOEMS
Novosibirsk
Nowi.1327
Description Nowi.1327
It is a dangerous nonmemory resident parasitic virus. It searches for COM files and writes itself to the end of the file. In some cases the virus corrupts the files while infecting them. The virus decrypts and displays the messages:
Out of enviroment space.
Not enough memory.
Analyzing configuration. Please waitall
Hej Sell! Czy to bylo tego warte? (c) by Nowicjusz
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