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1991-10-31
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A history of changes to F-PROT, after the release of version 2.00
**** Version 2.01 ****
Important note: My E-mail address has changed and is now "frisk@complex.is"
No major new features were added in 2.01 - it just fixed some bugs in
2.00, and adds detection/removal of a lot of now viruses - over 100.
Version 2.01 - corrections:
The name of the main program was changed from F2.EXE to F-PROT.EXE,
as several other programs (including a part of Microsoft's FORTRAN
compiler) were already named F2.EXE
Some problems regarding user-defined signatures have been fixed.
A false alarm of a "Whale" infection in the GMOUSE.COM (Genius Mouse
driver) and a program named XTRA.COM has been corrected.
Version 2.00 would not work in interactive mode on a machine with a XGA
or a Monochrome MCGA display. This has been corrected.
Some characters above 128 were corrupted if a report was saved to a
file.
If floppy drives were installed with other identifiers than A: and B:,
the program would try to access them on startup, which caused problems
if no disk was inserted.
The "Analysis" function now produces fewer false positives than before,
and known false positives are now listed in ANALYSE.DOC
The program should now work without problems on Zenith DOS 3.30 PLUS.
Some variants of the Vacsina virus were occasionally not disinfected
correctly - this has been fixed.
The Amoeba virus was not detected in .COM files with size above a
certain length, although it was always stopped by VIRSTOP. Fixed.
Version 2.01 - improvements:
VIRSTOP.EXE can now be loaded as a device-driver, with a DEVICE=
command from CONFIG.SYS.
Two command-line switches were added:
/NOMEM skip the initial memory scan. It should only
be used if the computer is known to be "clean".
/USER scan for user-defined virus patterns.
The program used to scan subdirectories in "reverse" order - this has
now been changed.
F-PROT.EXE is now distributed in packed (run-time unpacking) form, so
that the the entire package fits on one 360K diskette after unpacking.
Version 2.01 - new viruses:
The following 89 new viruses (or new variants of old viruses) can be
detected and removed with version 2.01
864
1876
Akuku-Copmpl
AT-144
Backtime (Blinker, Joker and Shaker)
Big Joke
Bulgarian 123
Cascade 1704-D
CSL (Microelephant)
Copyright
DM-400
Eddie-1530
Europe '92
F709
Fake VirX
Gergana (222, 300, 450 and 512)
Gosia
Gotcha (A, B and C)
Hary Anto
Hey You-928
Hungarian-482
Iron Maiden
Jabberwocky
Jerusalem (4 minor suMsDos variants, Messina, Nemesis, P and B-3)
Jerusalem-Frere Jacques-C
Jerusalem-Plastique-4096-D
Jihuu
Kuku
Leningrad-543, Leningrad-600
Little Brother
Lozinsky-1018
Milous
Minimal-30-B
Mono-1063
MPS-OPC (1.1, 3.1 and 3.2)
MSTU
Murphy-Brothers
Old Yankee-Black Wizard
Omega
Path
PC-Flu
Pixel (Polish-457, Polish-550, 897, 899-A, 899-B and 905)
Plovdiv (New Bulgarian 800)
Polish Color
Polish Minimal-45
Semtex
Seventh son
Spanz
Socha
Something
StinkFoot
SVC-1740
Tony
Traveller
Twin
Vienna (634, 656, 726 and 776 byte variants, Violator B/B3)
Voronezh-370
W13 (C, 377 and REQ!)
Words (1069, 1085, 1387 and 1503)
Yankee (1150 and 1202 byte variants)
The following 13 new viruses can now be detected but not removed.
Best Wishes-970
DIR II
Eddie-Ps!ko
Hero-394
Possessed-2446
Simulate
Squeaker
StinkFoot-2
SVC (5.0 and 6.0)
Vacsina-Rybka
Virdem-1542
W13-361
"Variant identification" of the following viruses has been improved:
Cascade (14 variants)
Sentinel (5 variants)