W32/Rbot-BJR

Please follow the instructions for removing worms.

You will also need to edit the following registry entries, if they are present. 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 entries:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run

HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices

and remove any reference to any file you deleted.

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\

and remove any reference to any file you deleted.

Close the registry editor.

Check the following items

• To renable DCOM you can edit the registry, but it's better to use Dcomcnfg.exe. See Microsoft article 825750 for details.
• The HKLM\SYSTEM\CurrentControlSet\Control\Lsa\restrictanonymous = "1" setting does not allow enumeration of SAM accounts and names. The default is "0". It can be changed in Local Security Policy. See Microsoft article 246261 for details.

W32/Rbot-BJR is a worm with backdoor functionality for the Windows platform.

W32/Rbot-BJR spreads:

- to other network computers infected with W32/MyDoom and W32/Bagle
- to other network computers by exploiting common buffer overflow vulnerabilities, including: LSASS (MS04-011), RPC-DCOM (MS04-012) and WebDav (MS03-007)
- to netowrk shares protected by weak passwords

W32/Rbot-BJR can be controlled by a remote attacker over IRC channels. The backdoor component of W32/Rbot-BJR can be instructed by a remote user to perform the following functions:

start an FTP server
start a Proxy server
start a web server
take part in distributed denial of service (DDoS) attacks
log keypresses
capture screen/webcam images
packet sniffing
port scanning
download/execute arbitrary files
start a remote shell (RLOGIN) W32/Rbot-BJR is a worm with backdoor functionality for the Windows platform.

W32/Rbot-BJR spreads:

- to other network computers infected with W32/MyDoom and W32/Bagle
- to other network computers by exploiting common buffer overflow vulnerabilities, including: LSASS (MS04-011), RPC-DCOM (MS04-012) and WebDav (MS03-007)
- to netowrk shares protected by weak passwords

W32/Rbot-BJR can be controlled by a remote attacker over IRC channels. The backdoor component of W32/Rbot-BJR can be instructed by a remote user to perform the following functions:

start an FTP server
start a Proxy server
start a web server
take part in distributed denial of service (DDoS) attacks
log keypresses
capture screen/webcam images
packet sniffing
port scanning
download/execute arbitrary files
start a remote shell (RLOGIN)

W32/Rbot-BJR also attempts to steal product registration information from the following gaming software:

Battlefield 1942
Battlefield 1942 (Road To Rome)
Battlefield 1942 (Secret Weapons of WWII)
Battlefield Vietnam
Black and White
Chrome
Command and Conquer: Generals
Command and Conquer: Generals (Zero Hour)
Command and Conquer: Red Alert
Command and Conquer: Red Alert 2
Command and Conquer: Tiberian Sun
Counter-Strike (Retail)
FIFA 2002
FIFA 2003
Freedom Force
Global Operations
Gunman Chronicles
Half-Life
Hidden & Dangerous 2
IGI 2: Covert Strike
Industry Giant 2
James Bond 007: Nightfire
Legends of Might and Magic
Medal of Honor: Allied Assault
Medal of Honor: Allied Assault: Breakthrough
Medal of Honor: Allied Assault: Spearhead
Nascar Racing 2002
Nascar Racing 2003
Need For Speed Hot Pursuit 2
Need For Speed: Underground
Neverwinter Nights
Neverwinter Nights (Hordes of the Underdark)
Neverwinter Nights (Shadows of Undrentide)
NHL 2002
NHL 2003
Rainbow Six III RavenShield
Shogun: Total War: Warlord Edition
Soldier of Fortune II - Double Helix
Soldiers Of Anarchy
The Gladiators
Unreal Tournament 2003
Unreal Tournament 2004

When first run W32/Rbot-BJR copies itself to <System>\Firewall-UpdateV9.exe.

The following registry entries are created to run Firewall-UpdateV9.exe on startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Personal Firewall V9
Firewall-UpdateV9.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Personal Firewall V9
Firewall-UpdateV9.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Personal Firewall V9
Firewall-UpdateV9.exe

Registry entries are set as follows:

HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N

HKLM\SYSTEM\CurrentControlSet\Control\Lsa
restrictanonymous
1