HLLP.4608 is a simple high-level language virus which attempts to infect DOS and Windows EXE files and DOS COM files.
Depending on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the suspect file, or ask you for a desired action.
More information on the scanning and removal options available in your F-Secure product can be found in the Help Center.
You may also refer to the Knowledge Base on the F-Secure Community site for more information.
It will not infects the following files:
COMMAND.COM START.EXE EMM386.EXE MOUSE.COM MOUSE.EXE MSCDEX.EXE SETVER.EXE DOS4GW.EXE EXPLORER.EXE SMARTDRV.EXE
HLLP.4608 will sometimes make a siren sounds and sometimes display this text:
KRiLE v1.0a Thought you got me eh? :> coded by RAiD UsA [SLAM]97
Otherwise the virus just spreads, but usually causes several side effects due to incompatibility issues.
Another, slightly large variant of the same virus.