AntiGUS.1570
Description AntiGUS.1570
It is not a dangerous memory resident polymorphic parasitic virus. It hooks INT 8, 21h and writes itself to the end of EXE files that are executed. On July, 24th it displays the message:
Happy birthday to me! :-)
Depending on its internal counter the virus writes some data to some ports (disables Gravis Ultra Sound card?). The virus also contains the internal text strings:
E-VIRUS II aka Anti-GUS.12th December 1994.KL,Malaysia.
ħħħħħTM was here!ħħħħħ
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Tanpro Family
Description Tanpro Family
These are memory resident parasitic viruses. They hook INT 21h and write themselves to the beginning of COM and EXE files that are executed. The viruses contain the text string:
(c)tanpro'94
"Tanpro.524" is a harmless virus, it does not manifest itself in any way. "Tanpro.749" depending on its internal counters "shakes" the screen. It also contains the text:
Screen Shaker 5th
Tanya family
Description Tanya family
This virus corrupts the DRWEB.EXE anti-virus, and displays messages written in Russian. If a Windows NewEXE file is found (NE, PE), the virus overwrites it with a program that displays the following message:
This program must be run under OS/2.
The virus also contains the texts:
*.æ0M *.àòE
PATH=COMSPEC=OBSHCHESTVO=
DRWEB.EXE
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