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The 'FakeFormat' is a trojan program. Being run it overwrites boot sector and both FAT copies of diskette in drive A: assuming that there's a 1.44 mb diskette is there. After that a diskette boot sector contains a stub that will output:

This is a DATA disk only;
 Insery system disk, press any key when ready.

The trojan waits for keypress and if CTRL + C combination is pressed exits to system, otherwise it loops (starts ist code from the beginning).

Disinfection & Removal

Automatic Disinfection

Allow F-Secure Anti-Virus to disinfect the relevant files.

For more general information on disinfection, please see Removal Instructions.

Technical Details: Alexey Podrezov, F-Secure

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Wondering if a file or URL is malicious? Submit a sample to our Lab for analysis via the Sample Analysis System (SAS)

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