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Classification

Category: Malware

Type: Virus

Aliases: Whale

Summary


This is a rather remarkable virus. It is long, 9216 bytes and able to infect COM and EXE files. The increase in file size is not visible though, while the virus is active in memory, as it uses several advanced "stealth" methods. Other effects of the virus are not known, but one infected program displayed the following message when run:

THE WHALE IN SEARCH OF THE 8 FISH
I AM '~knzyvo}' IN HAMBURG addr error D9EB,02

Most of the virus is devoted to encryption and code which moves blocks of virus code around. This overhead results in a considerable slowdown of infected systems, which makes any infection easy to detect.

Removal


Automatic action

Based on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the detected program or file, or ask you for a desired action.

Knowledge Base

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About the product

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