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WHATSNEW.607
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1993-09-21
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Update report of Thunderbyte Anti-Virus utilities.
Prefixes:
'-' indicates a change that does not require user attention.
'->' indicates a modification that requires user attention, such as a
change in program invocation, etc.
*** NOTE ***
NetWork administrators, read the TBAV.Doc file for information about a
fast and reliable way to update all workstations automatically!
Annoucement!
------------
We have a new product available: TbFence. This is an automatic diskette
encryption/protection intended for use in workgroups or company sites.
It enables you to use diskettes throughout your company as you would
usually do, but if you take such a diskette to home without permission,
you can't read it. Also, you can't use 'foreign' diskettes on the company
machines, until they are approved and authorized by the gateway station.
For more information contact your TBAV dealer, or download or request
the shareware version of TbFence.
6.07 Product update
-------------------
General information:
- Added PGP public key 'VELDMAN.PGP'. Read this file for information.
- The Anti-Vir.Dat file of the TBAV directory is now supplied with
the TBAV package, for convenience and security. For additional
security consult the - also new - file Security.Doc
TBAV:
- The TBAV menu shell is now always able to locate its help file,
even started from another drive or directory.
TbScan:
- TbScan now also scans the master boot record of the second physical
hard disk, to cope with portable hard disks.
-> TbScan no longer skips non-executable files if they appear to be
non-executable. They are now always scanned if you use the 'AllFiles'
option, even when the files contain invalid instructions. This was
necessary because some people test scanners on viruses in files
with no executable extension (sick!). Beware of false alarms if
you use option 'AllFiles'!
- TbScan now exits with errorlevel 6 if a virus has been detected
on a diskette. Previously, TbScan would always exit with
errorlevel 5 when a virus has been found anywhere. This enables
batch files to distinguish between a virus found on the hard
disk and on a diskette.
- Bug fix: if you scan an invalid drive or damaged diskette TbScan
will no longer dump garbage on the screen.
TbClean:
- Improved segment register emulation. TbClean is now able to clean
even more viruses.
- It appears that some virus writers are scared by TbClean: they
wrote a virus to trojanize TbClean. This VariCell virus will no
longer be able to Trojanize TbClean. TbClean will - as expected
- simply clean this virus.
- Added a few safety checks to TbClean to enable it to detect if
it is being trojanized. A start-up sanity self-check is now
implemented.
TbScanX:
- Loads now slightly faster
Viruses:
- Changed detection algorithms
Satanbug (eliminated a false positive)
- Removed signatures:
Froggie Trojan (caused false positives)
- Changed signatures:
Antix Trojan (eliminated a false positive)
Bad_Taste Dropper (eliminated a false positive)
Cruncher (now detects an additional variant)
HideNowt (now also detects the EXE samples)
Intruder (now detects an additional variant)
Tonya (renamed to Skater.977)
Zherkov (now detects an additional variant)
- Added signatures
_894
Anti-Exe
Aurea
Bad.595
Eve
Grog.962
Grog.1200
Lock dropper
Necrofear
Necropolis.Iced
Nymp
Moose_II
Particle_man
Pest dropper
PowerPump.1 {1}
Protipus
Sathanyk.Iced
Sentinel (germ)
Skater.699
Skater.1021
Tomato
VCL.EQ
VCL.Voco
VirTrap