Sms.480
Description Sms.480
These are harmless memory resident parasitic viruses. They copy themselves to Interrupt Vectors Table, hook INT 21h and write themselves to the beginning of COM files that are executed. The viruses do not manifest themselves in any way. "Sms.480" contains the text:
SmS bItEs !!! aNd Is gAy ToO !!!
wRiTteN bY BiGMaRtY, 2/13/96
HaPpY vAlEnTiNeS DaY eVeRyOnEall
tRy nOt tO fUcK tOo mUcH ;)
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FF_Char.1000
Description FF_Char.1000
It's a not dangerous memory resident parasitic encrypted virus. It hooks INT 1Ch, 21h and writes itself to the end of EXE-files that are executed. On infection it uses System File Table. Depending on its internal counter it overwrites keyboard queue with character FFh.
FFFF.432
Description FFFF.432
This is a dangerous memory resident parasitic virus. It copies itself into the Interrupt Vectors Table, hooks INT 21h and writes itself to the end of COM files that are executed. It contains the hexadecimal word FFFFh at its beginning.
Depending on the system date the virus erases C: drive's disk sectors.
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