Removing Autostart Entries from the Registry
Removing autostart entries from the registry prevents the malware from executing at startup.
If the registry entries below are not found, the malware may not have executed as of detection. If so, proceed to the succeeding solution set.
Open Registry Editor. Click Start>Run, type REGEDIT, then press Enter.
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
In the right panel, locate and delete the entry:
SoundMam = "%System%\SVOHOST.exe"
(Note: %System% is the Windows system folder, which is usually C:\Windows\System on Windows 98 and ME, C:\WINNT\System32 on Windows NT and 2000, or C:\Windows\System32 on Windows XP and Server 2003.)
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Advanced\Folder\Hidden\SHOWALL
In the right panel, locate the entry:
CheckedValue = "0"
Right-click on the said entry and choose Modify. Change the value to:
CheckedValue = "1"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE\SYSTEM\
CurrentControlSet\Services\srservice
In the right panel, locate the entry:
Start = "4"
Right-click on the said entry and choose Modify. Change the value to:
Start = "2"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE\SYSTEM\
CurrentControlSet\Services\wscsvc
In the right panel, locate the entry:
Start = "4"
Right-click on the said entry and choose Modify. Change the value to:
Start = "2"
Close Registry Editor.
Restoring AUTORUN.INF
Right-click Start then click Search... or Find..., depending on the version of Windows you are running.
In the Named input box, type:
AUTORUN.INF
In the Look In drop-down list, select the drive that contains Windows, then press Enter.
Once located, select the file and check if it is the located in the drive where the malware was detected earlier.
Once verified, open using Notepad. Note that this malware drops the said file in all available removable drives.
Delete the following entries created by the malware:
[AutoRun]
open = sxs.exe
shellexecute= sxs.exe
shell\Auto\command=sxs.exe
Close the file and click Yes when prompted to save.
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