TROJ_AGENT.CHO

To terminate the malware/grayware process:

1. Scan your computer with your Trend Micro product and take note of the name of the malware/grayware/spyware detected.
2. Open Windows Task Manager.
   • For Windows 2000, XP, and Server 2003 users, press
   CTRL+SHIFT+ESC, then click the Processes tab.
3. In the list of running programs, locate a malware/grayware/spyware file detected earlier.
4. Select the detected files, then press either the End Task or the End Process button, depending on the version of Windows you are using.
5. Do the same for the remaining detected malware/grayware/spyware files in the list of running programs.
6. To check if the malware/grayware/spyware process has been terminated, close Task Manager, and then open it again.
7. Close Task Manager.

To delete the registry value this malware/grayware created:

1. Open Registry Editor. Click Start>Run, type REGEDIT, then press Enter.
2. In the left panel, double-click the following:
   HKEY_CURRENT_USER>SOFTWARE>Microsoft>Windows>CurrentVersion>Run
3. In the right panel, locate and delete the entry:
   vcspnet = "%System%\{8 random characters}.exe"
4. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Run
5. In the right panel, locate and delete the entry:
   vcspnet = "%System%\{8 random characters}.exe"
6. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>CurrentControlSet>Services>SharedAccess>Parameters>FirewallPolicy>StandardProfile>AuthorizedApplications>List
7. In the right panel, locate and delete the entry:
   %System%\{8 random characters}.exe = "%System%\{8 random characters}.exe:*:Enabled:Internet Explorer"
8. Again In the right panel, locate and delete the entry:
   %Windows%\explorer.exe = "%Windows%\explorer.exe:*:Enabled:Internet Explorer"
9. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>CurrentControlSet>Services>SharedAccess>Parameters>FirewallPolicy>StandardProfile>GloballyOpenPorts>List
10. In the right panel, locate and delete the entry:
    5203:TCP = "5203:TCP:*:Enabled:WWW"
11. Again In the right panel, locate and delete the entry:
    53:UDP = "53:UDP:*:Enabled:DNS"
12. Again In the right panel, locate and delete the entry:
    53:UDP = "53:UDP:*:Enabled:DNS"
13. Again In the right panel, locate and delete the entry:
    25:UDP = "25:UDP:*:Enabled:SMTP"
14. Close Registry Editor.

To edit the HOSTS file:

1. Open the following file using a text editor such as Notepad:
   %System%\drivers\etc\HOSTS
   (Note: %System% is the Windows system folder, which is usually C:\WINNT\System32 on Windows 2000, and C:\Windows\System32 on Windows XP and Windows Server 2003.)
2. Delete the following entry/ies:
   192.168.0.101 www.trendmicro.com
   
   192.168.0.101 trendmicro.com
   
   192.168.0.101 rads.mcafee.com
   
   192.168.0.101 customer.symantec.com
   
   192.168.0.101 liveupdate.symantec.com
   
   192.168.0.101 us.mcafee.com
   
   192.168.0.101 updates.symantec.com
   
   192.168.0.101 update.symantec.com
   
   192.168.0.101 www.nai.com
   
   192.168.0.101 nai.com
   
   192.168.0.101 secure.nai.com
   
   192.168.0.101 dispatch.mcafee.com
   
   192.168.0.101 download.mcafee.com
   
   192.168.0.101 www.my-etrust.com
   
   192.168.0.101 my-etrust.com
   
   192.168.0.101 mast.mcafee.com
   
   192.168.0.101 ca.com
   
   192.168.0.101 www.ca.com
   
   192.168.0.101 networkassociates.com
   
   192.168.0.101 www.networkassociates.com
   
   192.168.0.101 avp.com
   
   192.168.0.101 www.kaspersky.com
   
   192.168.0.101 www.avp.com
   
   192.168.0.101 kaspersky.com
   
   192.168.0.101 www.f-secure.com
   
   192.168.0.101 f-secure.com
   
   192.168.0.101 viruslist.com
   
   192.168.0.101 www.viruslist.com
   
   192.168.0.101 liveupdate.symantecliveupdate.com
   
   192.168.0.101 mcafee.com
   
   192.168.0.101 www.mcafee.com
   
   192.168.0.101 sophos.com
   
   192.168.0.101 www.sophos.com
   
   192.168.0.101 symantec.com
   
   
3. Save the file and close the text editor.