Overall Risk Level:
Trojan.Rontokbro can disable some Windows resources and performs denial of service (DoS) attacks.
Other Alias: -
Threat Level: Low
Systems Affected: Windows – All
More: Trojan.Rontokbro on SSR
How to Remove Trojan.Rontokbro:
On this page is our suggested (by precisesecurity) removal procedure and Visitor's own suggestion. We cannot control and evaluate each suggested procedure so please use it at your own risks. If no suggestion is present to remove virus, spyware, adware and malware, you may try the following:- Scan Trojan.Rontokbro with MalwareByte's Anti-Malware
- Remove Trojan.Rontokbro with Standard Virus Scan
One Response for "Trojan.Rontokbro"
1. Temporarily Disable System Restore (Windows Me/XP). [how to]
2. Update the virus definitions.
3. Reboot computer in SafeMode [how to]
4. Run a full system scan and clean/delete all infected file(s)
5. Delete/Modify any values added to the registry. [how to edit registry]
Navigate to and delete the following entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\batfile\shell\open\”command” = “C:\WINDOWS
\system32\msav.exe %1″
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\comfile\shell\open\”command” = “C:\WINDOWS
\system32\msav.exe %1″
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\exefile\shell\open\”command” = “C:\WINDOWS
\system32\msav.exe %1″
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\htafile\Shell\Open\”command” = “C:\WINDOWS
\system32\msav.exe %1″
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\piffile\shell\open\”command” = “C:\WINDOWS
\system32\msav.exe %1″
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies
\”DisableTaskMgr” = “1″
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies
\”NoFolderOptions” = “1″
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies
\Explorer\Run\”services” = “C:\WINDOWS\system32\msav.exe”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies
\Explorer\”NoWinKeys” = “1″
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies
\Explorer\”NoControlPanel” = “1″
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies
\Explorer\”NoViewContextMenu” = “1″
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce
\”services” = “C:\WINDOWS\system32\msav.exe”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnceEx
\”services” = “C:\WINDOWS\system32\msav.exe”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
\”services” = “C:\WINDOWS\system32\msav.exe”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServicesOnce
\”services” = “C:\WINDOWS\system32\msav.exe”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion
\”Winlogon” = “Explorer.exe C:\WINDOWS\system32\msav.exe”
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies
\”DisableTaskMgr” = “1″
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies
\”NoFolderOptions” = “1″
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
\”NoDesktop” = “1″
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
\”NoRun” = “1″
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
\”NoDrives” = “1″
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
\”NoFind” = “1″
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
\”NoClose” = “1″
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
\”NoWinKeys” = “1″
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
\”NoControlPanel” = “1″
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
\”NoViewContextMenu” = “1″
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run
\”services” = “C:\WINDOWS\system32\msav.exe”
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System
\”DisableRegistryTools” = “1″
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System
\”NoDiskCpl” = “1″
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\WinOldApp
\”Disabled” = “1″
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
\”services” = “C:\WINDOWS\system32\msav.exe”
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunServices
\”services” = “C:\WINDOWS\system32\msav.exe”
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunServicesOnce
\”services” = “C:\WINDOWS\system32\msav.exe”
HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\System\”DisableCMD” = “1″
Navigate to and restore the following registry entries to their original values, if required:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
\”Userinit” = “userinit.exe C:\WINDOWS\system32\msav.exe”
HKEY_USERS\.DEFAULT\Software\Microsoft\Windows NT\CurrentVersion\Winlogon
\”ParseAutoexec” = “31 00 00 00 28″
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
\”HideFileExt” = “1″
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
\”HideIcons” = “1″
6. Exit registry editor and restart the computer.
7. In order to make sure that threat is completely eliminated from your computer, carry out a full scan of your computer using AntiVirus and Antispyware Software. Another way to delete the virus using various Antivirus Program without the need to install can be done with Online Virus Scanner.
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