Resolve for Agobot description
A tool that removes W32 Agobot
Resolve is the name for a set of small, downloadable Sophos utilities designed to remove and undo the changes made by certain viruses, Trojans and worms. They terminate any virus processes and reset any registry keys that the virus changed.
Existing infections can be cleaned up quickly and easily, both on individual workstations and over networks with large numbers of computers.
W32/Agobot-BT is a network worm which also allows unauthorised remote access to the computer via IRC channels.
W32/Agobot-BT copies itself to network shares with weak passwords and attempts to spread to computers using the DCOM RPC and the RPC locator vulnerabilities.
These vulnerabilities allow the worm to execute its code on target computers with System level privileges. For further information on these vulnerabilities and for details on how to protect/patch the computer against such attacks please see Microsoft security bulletins MS03-001 and MS03-026. MS03-026 has been superseded by Microsoft security bulletin MS03-039.
W32/Agobot-BT copies itself to the Windows system folder as sysinfo.exe and creates the following registry entries to run itself on system restart:
Each time W32/Agobot-BT is run it attempts to connect to a remote IRC server and join a specific channel.
W32/Agobot-BT attempts to terminate various processes related to anti-virus and security software (e.g. SWEEP95.EXE, BLACKICE.EXE and ZONEALARM.EXE).
W32/Agobot-BT, W32/Agobot-HD, W32/Agobot-HH, W32/Agobot-HL, W32/Agobot-HS, W32/Agobot-IJ, W32/Agobot-IK, W32/Agobot-LG, W32/Agobot-LT, W32/Agobot-MR, W32/Agobot-MW, W32/Agobot-NA, W32/Agobot-NZ, W32/Agobot-OT, W32/Agobot-OU, W32/Agobot-QF, W32/Agobot-QO,
AGOBTGUI is a disinfector for standalone Windows computers. To use it you have to do the following:
· Open AGOBTGUI.com file from your desktop after downloading it.
· Click on the Start Scan Button.
· Wait for the process to complete.
Command line disinfector
AGOBTSFX.EXE is a self-extracting archive containing AGOBTCLI, a Resolve command line disinfector for use by system administrators on Windows networks.
After removing the worm you should check the virus analysis for details of any Microsoft security updates you should make, or, on single computers, update with all relevant security patches from Windows update.
For W32/Agobot-HH, W32/Agobot-LT, W32/Agobot-NZ, W32/Agobot-OT, W32/Agobot-OU and W32/Agobot-SX you should replace the HOSTS file from backup, or open it in Notepad and remove any of the entries listed in the virus description.
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