Troj/FakeAle-C is a Trojan that may change the Windows Wallpaper to an image displaying a fake error message.
The image shows a blue screen and the following text:
Security warning
A fatal error in IE has occured at 0028:C0011E36 in VXD VMM(01) +
00010E36. Error was caused by Trojan-Spy.HTML.Smitfraud.c
* System can not function in normal mode.
Please check you security settings.
* Scan your PC with any avaliable antivirus / spyware remover
program to fix the problem.
Troj/FakeAle-C drops the image file as C:\WP.BMP.
Troj/FakeAle-C creates the following registry entry in order to run itself on system startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run\
WindowsFY =
<path to Trojan>
Troj/FakeAle-C makes the following further registry changes:
HKCR\CLSID\(145E6FB1-1256-44ED-A336-8BBA43373BE6)\
InprocServer32 =
<path to previous wallpaper>
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\
NoActiveDesktopChanges =
1
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System\
NoDispAppearancePage =
1
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System\
NoDispBackgroundPage =
1
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System\
Wallpaper =
C:\WP.BMP
HKCU\Control Panel\Colors\
Background =
0 0 0
HKCU\Control Panel\Desktop\
Wallpaper =
C:\WP.BMP
HKCU\Control Panel\Desktop\
WallpaperStyle =
0
HKLM\Software\Microsoft\Windows\CurrentVersion\Uninstall\BlueScreen W@rning\
UninstallString =
<path to Trojan> /UNINSTALL
HKLM\Software\Microsoft\Windows\CurrentVersion\Uninstall\BlueScreen W@rning\
Display Name =
<path to Trojan> BlueScreen W@rning