high
Summary
Summary
Action- More Information
| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Protection available since | 17 January 2005 13:52:06 (GMT) |
| Detected by | All Sophos products |
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Action
- Summary
- Action
- More Information
Please follow the instructions for removing worms.
Windows NT/2000/XP/2003
In Windows NT/2000/XP/2003 you will also need to edit the following registry entry for each user who ran the virus. The removal of this entry is optional in Windows 95/98/Me. Please read the warning about editing the registry.
At the taskbar, click Start|Run. Type 'Regedit' and press Return. The registry editor opens.
Before you edit the registry, you should make a backup. On the 'Registry' menu, click 'Export Registry File'. In the 'Export Range' panel, click 'All', then save your registry as Backup.
Each user has a registry area named HKEY_USERS\[code number indicating user]\. For each user locate the entry:
HKU\[code number]\Software\Microsoft\Windows\CurrentVersion\Run\
Windowsupdate Service =
"C:\csrss.exe"
and delete it if it exists.
Close the registry editor.
More Information
W32/Baba-C is a mass-mailing worm with a backdoor Trojan component.
W32/Baba-C sends itself as an email attachment to addresses obtained from the infected system. Emails sent by the worm take the following form:
Subject: Important! XXX sites found on your computer!
Body:
<HTML>
<font color=red><b>
Windows Evidence Checker has found XXX content on your computer.<br>
You can hide your activities with Evidence Cleaner service.<br>
<br>
To run Evidence Cleaner click to quick shortcut attached.<br>
<br>
Warning! Your copy of Evidence Cleaner will be expired after 7 days.<br>
Today you can register for FREE.<br>
<br>
Please check attached instructions for more details.<br>
</b></font>
</HTML>
Attachment name:
"quick shortcut to evidence cleaner length %d bytes
evidence-cleaner-system.com"
where %d is a decimal number.
 |
| Part of the email message sent by the W32/Baba-C worm. |
W32/Baba-C sends itself as an email attachment to addresses obtained from the infected system. Emails sent by the worm take the following form:
Subject: Important! XXX sites found on your computer!
Body:
<HTML>
<font color=red><b>
Windows Evidence Checker has found XXX content on your computer.<br>
You can hide your activities with Evidence Cleaner service.<br>
<br>
To run Evidence Cleaner click to quick shortcut attached.<br>
<br>
Warning! Your copy of Evidence Cleaner will be expired after 7 days.<br>
Today you can register for FREE.<br>
<br>
Please check attached instructions for more details.<br>
</b></font>
</HTML>
Attachment name:
"quick shortcut to evidence cleaner length %d bytes
evidence-cleaner-system.com"
where %d is a decimal number.
|
| Part of the email message sent by the W32/Baba-C worm. |
W32/Baba-C drops the backdoor Trojan component in the C:\ folder and sets the following registry entry to ensure that this component is run on computer log-on:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run\
Windowsupdate Service =
"C:\csrss.exe"
W32/Baba-C also creates the harmless text file "csrss.bin" in the same folder.
W32/Baba-C attempts to harvest email addresses from files on the infected computer with the following extensions:
ASP
CGI
DAT
DBX
DOC
EML
HTM
HTML
MBX
MDB
PHP
RTF
TBB
TXT
WAB
INBOX
|
