This is the first Russian "stealth" virus. It has not been analyzed yet, but it contains the text string:
(c) 1990 by SVC,Vers. 4.0
A 1740 byte variant with the same message is also known.
Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.
This earlier version is somewhat shorter, only 1064 bytes. One 1228 byte variant might be even older, but it does not contain a version number.
A more recent, improved version of the virus - 3103 bytes long.
Yet another variant, which is able to infect MBR's as well.
This variant activates on June 4th and tries to overwrite part of the hard drive. It was reported to be in the wild in Mosambik in 1996.
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