Virus Name: Infector
V Status: Rare
Discovered: December, 1992
Symptoms: .COM file growth; file date/time changes; system hangs
Eff Length: 822 - 837 Bytes
Type Code: PNCK - Parasitic Non-Resident .COM Infector
Detection Method: AVTK, IBMAV, Sweep, F-Prot, ViruScan, VAlert,
NAV, NAVDX, PCScan, ChAV,
Sweep/N, NShld, Innoc, NProt, AVTK/N, LProt, IBMAV/N,
Removal Instructions: Delete infected files
The Infector virus was submitted in December, 1992. It is originally
from the USSR. Infector is a non-resident, direct action infector of
.COM programs, including COMMAND.COM.
When a program infected with the Infector virus is executed, the
Infector virus will infect one .COM program located in the current
directory. Infected programs will have a file length increase of
822 - 837 bytes with the virus being located at the end of the file.
The program's date and time in the DOS disk directory listing will
have been updated to the current system date and time. The following
text string can be found in all Infector infected programs:
Systems infected with the Infector virus will experience frequent
system hangs when infected programs are executed.
Known variant(s) of Infector are:
AReg-822: Received in November, 1993, AReg-822 is based on the
Infector virus described above. It infects one .COM file
in the current directory, plus the copy of COMMAND.COM
pointed to by the COMSPEC environmental variable if not
previously infected, each time an infected program is
executed. Infected programs increase in size by 822 to
837 bytes with the virus being located at the end of the
file. The program's date and time in the DOS disk directory
listing will have been updated to the current system date
and time when infection occurred. The following text
strings are visible within the AReg-822 viral code:
"(C) 1993 AREG Soft"
Origin: Unknown November, 1993.