W32/Kukoo-A

Category: Viruses and Spyware
Type: Win32 worm
Prevalence: Small Number of Reports

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W32/Kukoo-A is a network worm for the Windows platform.

When first run W32/Kukoo-A copies itself to:

<User>\Application Data\lsass.exe
<Windows>\inf\smss.exe
<System>\Sexy Girls.scr

The following registry entries are created to run W32/Kukoo-A on startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
NT_Authority
<User>\Application Data\lsass.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
FrameWorkService
<Windows>\Inf\smss.exe I'm so ugly, I hate myself and I want to die

Registry entries are set as follows:

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
DisallowRun
1

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
NoFolderOptions
1

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
NoRun
1

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
NoFind
1

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun
1
cmd.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun
2
mmc.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun
3
rstrui.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun
4
regedit.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun
5
regedt32.exe