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| Date | : February 25, 1999 |
| Tel. | : 137-0150, 135-6253 |
SpIDer, a new antivirus program, is built around a unique intellectual
technology for controlling viral activity, called SpIDer-Netting. The
traditional approach to this problem (implemented in all other
memory-resident monitors and guards) is to watch "suspicious" activity,
such as writing to executable files (COM, EXE, DLL, etc.) and system
areas, interception of the file-handling interrupts (int21), etc.
However, these operations are performed by uninfected programs much more
often than by viruses. As a result, the existing guards trigger a large
number of false alarms, which hampers normal use of a computer.
SpIDer-Netting's unique features dramatically decrease the false alarm
rate and, at the same time, block up malicious activity of virtually all
known (as well as unknown!) viruses.What is the essence of this technology? SpIDer carefully analyses all "suspicious" activity of the running programs. The SpIDer-Netting technology relies on a unique decision-making system that allows SpIDer to detect and disable all types of viral activity (e.g. infection of files, destructive functions, etc.). SpIDer-Netting prevents contamination even if the infector can't be identified by Doctor Web's heuristic analyzer. In other words, even if DrWeb fails to detect a well disguised unknown virus in a program body, the virus will be caught by SpIDer when it attempts to activate.
While other memory-resident monitors often respond to each "virus-like" action and irritate the user with their obtrusive suspiciousness, SpIDer undertakes a heuristic analysis of a whole set of potentially dangerous operations and avoids false alarms in most cases. At the same time, intensive testing has shown that SpIDer successfully detects more than 90% of viruses "in the wild".
DialogueScience Information Service
E-mail: antivir@DIALS.ru
http://www.antivir.ru
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