VHP2 Virus

 Virus Name:  VHP2 
 Aliases:     623, VHP-623, VHP-2 
 V Status:    Research 
 Discovered:  March, 1990 
 Symptoms:    .COM growth; reboots or system hangs 
 Origin:      Bulgaria 
 Eff Length:  623 bytes 
 Type Code:   PNC - Parasitic Non-Resident .COM Infector 
 Detection Method:  ViruScan, AVTK, F-Prot, NAV, Sweep, IBMAV, 
                    NAVDX, VAlert, PCScan, ChAV, 
                    NShld, LProt, Sweep/N, Innoc, NProt, AVTK/N, 
                    NAV/N, IBMAV/N 
 Removal Instructions:  F-Prot, or delete infected files 
 General Comments: 
       The VHP2 virus was isolated in Bulgaria in March, 1990.  This virus 
       is based on the Vienna virus, and has many of the same 
       characteristics of the VHP-435 variant of the VHP virus.  It's major 
       difference is that of effective length, and that 1 of every 8 
       infected programs will perform a warm system reboot. 
       VHP2 is 623 bytes long, infecting only .COM files but not 
       Known variant(s) of VHP2 are: 
       VHP-627: Similar to VHP-623, except that its length is 627 bytes. 
       See:   VHP   Vienna 

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