W32/NetSky.H@mm:
http://www.f-secure.com/v-descs/netsky_h.shtml
The worm's file is a PE executable file 22016 bytes long, packed
with PE-Pack file compressor. The unpacked file's size is over 27
kilobytes.
NetSky.I worm has a few modifications comparing to previous
variants:
1. The worm uses a different mutex: "KO[SkyNet.cz]SystemsMutex"
2. The worm has a bit different message for Bagle And Mydoom worm
authors
3. On March 5th, 2004 the worm constantly beeps with PC speaker
from 11:00 to 11:59. Below is the link to the WAV file with the
sound that the worm makes:
http://www.f-secure.com/virus-info/v-pics/netsky_d.wav
4. The worm uses the following subject texts:
Mail account deactivated
Mail account closed
Mail account expired
5. The worm uses the following message body texts:
Your mail account expired. Please follow the link to reactivate.
Your mail account has been closed. Click on the link for further details.
Your mail account has been deactivated. To reactivate, follow the link.
6. The worm sends itself as an attachment which name looks like
a hyperlink:
http://www.<recipient's_domain>/<recipients's_user_name>/index.scr
Where the <recipient's_domain> represents the domain name and
suffix of an infected message's recipient and the
<recipients's_user_name> represents the user name of a recipient.
7. The sender's name of an infected message is always
'service@<recipient's_domain>' where <recipient's_domain>
represents the domain name and suffix of an infected message's
recipient.
8. The worm installs itself to system as FOODING.EXE file.
9. The worm creates the startup key named 'Tiny AV' for its file
in System Registry.
Detection of NetSky.I worm is available in the following FSAV
updates:
[FSAV_Database_Version]
Version=2004-03-08_05
Description:
Katrin Tocheva, March 7th, 2004;
Technical Details:
Alexey Podrezov, March 8th, 2004;
Description Updated:
Alexey Podrezov, March 18th, 2004;
F-Secure Corporation
