NETWORK WORM REPORTED IN THE WILD
Virus Name : Worm/Opaserv
Alias : Opaserv.A,
Virus type : Network
level : Medium
Opaserv is a
network worm, spreads using shared network
drives. Opaserv infects
only the network shares and it will not
spread using e-mail attachments.
When executed, it will search for
Windows folder in the local system and
network and copies to "Scrsvr.exe". It also creates
scrin.dat and scrout.dat in the root drive of C. Incase of
remote infection; it creates tmp.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= ScrSvr or ScrSvrOld.
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 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 components.
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\scrsvr.exe,c:\Windows\Brasil.exe,c:\Windows\Brasil.pif,
antivirus can detect and remove Opaserv worm safely.
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