high
Summary
Summary
Action- More Information
| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Protection available since | 8 December 2004 06:15:10 (GMT) |
| Detected by | All Sophos products |
Sophos beta program
- Endpoint Security and Control 9.0
- Small business solutions 4.0
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. 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.
Locate the HKEY_LOCAL_MACHINE entry:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
Microsoft Windows DHCP
C:\WINDOWS\System32\___r.exe
and delete it if it exists.
Close the registry editor.
More Information
W32/Maslan-C is a worm which spreads by emailing itself to addresses found on the infected computer.
The worm also spreads to network shares with weak passwords and to computers vulnerable to the LSASS exploit (MS04-011) and RPC-DCOM exploit (MS03-039).
W32/Maslan-C copies existing executable files on the computer to a new location called "___b" and places copies of the worm where the original files used to be. W32/Maslan-C is a worm which spreads by emailing itself to addresses found on the infected computer.
The worm also spreads to network shares with weak passwords and to computers vulnerable to the LSASS exploit (MS04-011) and RPC-DCOM exploit (MS03-039).
W32/Maslan-C copies itself to the Windows system folder and creates a number of other files on the computer which make up the components of the worm. W32/Maslan-C also installs the W32/Sdbot-RW worm onto the computer.
W32/Maslan-C creates the following registry entry to run itself automatically on log-on:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
Microsoft Windows DHCP
C:\WINDOWS\System32\___r.exe
W32/Maslan-C copies existing executable files on the computer to a new location called "___b" and places copies of the worm where the original files used to be.
W32/Maslan-C sends emails with the following characteristics:
Subject Line:
123
File attachment:
Playgirls2.exe
Message Body:
Hello <random name>,
--Best regards,
<random sender name>
On the first of the month W32/Maslan-C attacks the following websites:
kavkazcenter.com
kavkazcenter.net
kavkazcenter.info
kavkaz.uk.com
kavkaz.org.uk
kavkaz.tv
chechenpress.com
chechenpress.info
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