June24.570
Description June24.570
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 created and then closed. On June, 24th the virus erases CMOS.
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Runtime.365
Description Runtime.365
This is a relatively harmless non-memory resident parasitic virus. It searches for .COM files, and writes itself to the end of the file. On Friday, it sometimes displays the following message:
Runtime error 412
Rushhour Family
Description Rushhour Family
These are very dangerous memory resident parasitic viruses. They hook INT 10, 21h and overwrite KEYBGR.COM (if it exists in the current directory) while executing any program. Depending on their counters these viruses manifest themselves with a noise (by PC speaker). The viruses contain the text strings:
This program is a VIRUS program.
Once activated it has control over alls
ystem devices and even over all storage
media inserted by the user. It continually
copies itself into uninfected operating
systems and thus spreads uncontrolled.
The fact that the virus does not destroy any
user programs or erase the disk is merely due
to a philanthropic trait of the authorall...
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