Selected viruses, spyware, and other threats: sorted alphabetically
The difference between variants Cascade.1701 and Cascade.1704 is minimal. These are memory resident, partially encrypted COM infectors. With exception of the first 32 bytes, which form decoding routine, the whole virus is encrypted. It attacks files when they are executed. The only manifestation of the both viruses is letters falling to the bottom of the monitor. The viruses contain no payload.
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