VARIANTS SPREADS IN THE WILD
Virus Name : Worm/Opaserv.E
Alias : Opaserv.E,
Virus type : Network
level : Medium
Opaserv.E is a modified
variant of Opaserv worm, spreads using shared network
drives. Opaserv.E infects
only the network shares and it will not
spread using e-mail attachments. This worm is also known as
Opaserv.E, W32.Opaserv.E.Worm, WORM_OPASERV.E.
When executed, it searches for
Windows folder in the local system and
network and copies to "Brasil.exe" and "Brasil.pif". It also creates
scrin.dat and scrout.dat in the root drive of C. Incase of
remote infection; it creates put.ini in the root drive of
Opaserv modifies the registry entries
to start automatically. The registry modification will be HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\Current Version\Run=
Barsil or BrasilOld.
In case of remote infection, it modifies WIN.INI to load
automatically on the next startup.
Right now four variants
of Opaserv worm reported in the wild. Solo
detects and removes all Opaserv variants without problem.
How can I protect my
Solo has incorporated Opaserv.E worm in its signature file to protect users from
this worm attack. Solo antivirus registered users
are already protected from this worm. Make sure
that you have installed registered version of
Solo Antivirus to protect your system from all
to remove this worm?
you are already infected with this worm, download and install
security patches from the link http://www.microsoft.com/technet/security/bulletin/MS00-072.asp
. Then run Solo anti-virus and choose Delete option to remove the worm
Opaserv is a network aware worm. If you are connected with network, you have to remove
worm from all the machines connected with network at one stretch
to avoid re-infection. Also password protect your C drive share or set the C drive share to read only access.
Right click on the C drive in the Windows explorer and password protect your network share.
Then edit your C:\Windows\win.ini file and remove the line run=c:\Windows\Brasil.exe,c:\Windows\Brasil.pif,c:\Windows\marco!.scr,
antivirus can detect and remove Opaserv.E worm safely.
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