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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Encyclopedia GetVirusCard True 0

Cruel

 
Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Cruel
Technical name:Cruel
Threat level:Low
Type:Virus
Effects:  It infects the boot sector of floppy and hard disks. It prevents computers from starting up correctly. Sometimes, it corrupts the boot sector.

Affected platforms:

MS-DOS

Detection updated on:Jan. 23, 2002
StatisticsNo
Country of origin:HUNGARY
Family:VALENTIN

Brief Description 

    

Cruel is a boot virus that infects the boot sector of floppy and hard disks.

Cruel infects the hard disk when the computer is booted from an infected floppy disk. From then on, all the floppy disks used on the computer will be infected and it will have problems starting up.

Cruel can be considered a dangerous virus, as:

  • Sometimes, it corrupts the information of the boot sector preventing the computer from starting up from the infected disk. In this case, it is impossible to use the computer.
  • Sometimes it deletes the information contained in the CMOS memory.

Visible Symptoms 

    

Sometimes, computers infected by Cruel will not start.