July13 Family
Description July13 Family
These are very dangerous nonmemory resident encrypted parasitic viruses. They search and write themselves to the end of EXE files. They may corrupt the COM files that have .EXE extension. On July, 13th they leave a small memory resident program that hooks INT 8 and displays the running balls (see "Ping-Pong" virus).
Check other viruses! Be aware! Use Antiviral Software
Mr_D family
Description Mr_D family
These are not dangerous memory resident parasitic viruses, "Mr_D.1569" is encrypted one. They hook INT 21h, 2Fh and write themselves to the end of EXE files that are executed. During execution the viruses disable tracing. Sometimes they also hook INT 1Ch and either scrolls the screen, or move the letters on the screen. These viruses contain the text strings:
"Mrd.1024": hhhhall.BajaBongo czyli zemsta sHAZZA'y...<><><>...
"Mrd.1536": Mr. D
"Mrd.1569": VIR MKS AV NV TB
PU
Mr. D ,Fuck DHWD from 048030, 048012670020 the worst...
Mr_G Family
Description Mr_G Family
These are harmless nonmemory resident parasitic viruses. They search for .COM files of the current directory and write themselves to the end of the file. They contain the text string:
Mr.G
|