[virusinfo] WORM_KELVIR.B and WORM_FATSO.A
- From: "Mike" <mikebike@xxxxxxxxx>
- To: virusinfo@xxxxxxxxxxxxx
- Date: Mon, 07 Mar 2005 08:51:45 -0800
From; Trend Micro Newsletters:
Dear Trend Micro customer,
As of March 7, 2005, 3:05 AM (GMT - 08:00), TrendLabs has declared a Medium
Risk Virus Alert to control the spread of WORM_KELVIR.B and WORM_FATSO.A.
TrendLabs has received numerous infection reports indicating that this
malware is spreading in Korea and the United States of America.
? WORM_KELVIR.B:
This new worm is very similar to WORM_KELVIR.A, in that it also propagates
via MSN messenger. It attempts to send the following instant message to all
online MSN messenger contacts of an affected user:
"http://home.ea<BLOCKED>link.net/gallery10/omg.pif lol! see it! u'll
like it"
When the user clicks the given URL, this worm downloads a copy of itself,
named OMG.PIF, from the given URL. When this downloaded copy is executesd,
it downloads another malware file from the Internet, which Trend Micro
detects as WORM_SDBOT.AUI.
? WORM_FATSO.A
This memory-resident worm arrives on a system via MSN messenger, a popular
instant messaging application. It spreads copies of itself to all online
MSN messenger contacts of an affected system by sending an instant message
conataining a link, which when clicked, downloads a copy of this worm into
the recipient's system. This worm also has the ability to propagate via
eMule, a known peer-to-peer (P2P) file sharing application.
This worm is capable of redirecting infected users to a certain Web site,
which as of this writing, is already not available. It does this whenever
the user accesses Web sites that are associated with antivirus and security
companies.
It may also terminate certain running processes, and disallow them from
executing while this worm resides in the memory.
TrendLabs will be releasing the following EPS deliverables:
TMCM Outbreak Prevention Policy 154
Official Pattern Release 2.476.00
Damage Cleanup Template 550
For more information on WORM_KELVIR.B and WORM_FATSO.A, you can visit our
Web site at:
http://www.trendmicro.com/vinfo/virusencyclo/default5.asp?VName=WORM_KELVIR.B
http://www.trendmicro.com/vinfo/virusencyclo/default5.asp?VName=WORM_FATSO.A
You can modify subscription settings for Trend Micro newsletters at:
http://www.trendmicro.com/subscriptions/default.asp
----------------------------------------------o0o----
IMPORTANT NOTE!
TrendLabs will also be releasing a 3-digit pattern file 991 that
corresponds with the pattern indicated in this
email. This 3-digit pattern is a special release for users running non-NPF
compliant products (i.e., old 3-digit
pattern format) and is designed to provide protection against the most
current malware threats. Users running
non-NPF compliant products are still urged to apply the NPF solution
<http://www.trendmicro.com/en/support/npf/overview.htm>. These users may
also upgrade to the latest product
version. Only NPF-compliant products will be able to update with regular
pattern releases.
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