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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Ulodozen

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Ulodozen
Technical name:Ulodozen
Threat level:Low
Alias:HLLO.Dozen
Type:Trojan
Effects:  It infects files with an EXE extension
Detection updated on:Sept. 10, 1996
StatisticsNo
Family:VALENTIN

Brief Description 

    

Ulodozen is an MS-DOS virus that goes memory resident in order to infect the files with an EXE extension that are run.

It is very easy to become infected by Ulodozen, as it uses many different means to spread: e-mail messages with infected attachments, computer networks, Internet downloads, FTP, floppy disks, etc.

Visible Symptoms 

    

Ulodozen is very difficult to identify, as it does not display any warnings or messages that indicate that it has reached a computer.