Content

FakeAlert-AntiSpywarePro

Type
Trojan
SubType
-
Discovery Date
03/25/2009
Length
Varies
Minimum DAT
5565 (03/26/2009)
Updated DAT
5916 (03/10/2010)
Minimum Engine
5.1.00
Description Added
03/25/2009
Description Modified
03/25/2009 6:00 PM (PT)
Risk Assessment
Corporate User
Low
Home User
Low

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Characteristics

This is a detection for a trojan that displays misleading fake alerts to entice the user into buying a product to "repair spyware or malware problems". This trojan may masquerade its malicious behavior, and victims are likely to have installed it thinking it is an innocent antispyware program.

The trojan has an icon file that may look like this:

It displays a window like this advising the user to register the product:

It creates the following registry keys, including a key for a browser-helper object (BHO) for Internet Explorer:

  • HKEY_CURRENT_USER\Software\AntiSpyware Pro
  • HKEY_CURRENT_USER\Software\AntiSpyware Pro\SBlocker
  • HKEY_CLASSES_ROOT\CLSID\{66B643BE-5E94-4569-B93E-CE2636848AC8}
  • HKEY_CLASSES_ROOT\CLSID\{66B643BE-5E94-4569-B93E-CE2636848AC8}\InProcServer32
  • HKEY_LOCAL_MACHINE\SOFTWARE\AntiSpyware Pro
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{66B643BE-5E94-4569-B93E-CE2636848AC8}

It creates the following files on the system:

  • AntiSpyware Pro.exe
  • ASProSB.dll
  • ASpyProPUBlk.dll
  • BlankActiveX.ocx
  • AntiSpyware Pro.db

Symptoms

Presence of the files and registry keys mentioned above.

Method of Infection

This trojan may masquerade its malicious behavior, and victims are likely to have installed it thinking it is an innocent antispyware program.

Removal

All Users:
Use current engine and DAT files for detection and removal.

Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).

Additional Windows ME/XP removal considerations

Variants

Variants

    N/A

All Information

Overview -

This trojan may masquerade its malicious behavior, and victims are likely to have installed it thinking it is an innocent antispyware program.

Characteristics

Characteristics -

This is a detection for a trojan that displays misleading fake alerts to entice the user into buying a product to "repair spyware or malware problems". This trojan may masquerade its malicious behavior, and victims are likely to have installed it thinking it is an innocent antispyware program.

The trojan has an icon file that may look like this:

It displays a window like this advising the user to register the product:

It creates the following registry keys, including a key for a browser-helper object (BHO) for Internet Explorer:

  • HKEY_CURRENT_USER\Software\AntiSpyware Pro
  • HKEY_CURRENT_USER\Software\AntiSpyware Pro\SBlocker
  • HKEY_CLASSES_ROOT\CLSID\{66B643BE-5E94-4569-B93E-CE2636848AC8}
  • HKEY_CLASSES_ROOT\CLSID\{66B643BE-5E94-4569-B93E-CE2636848AC8}\InProcServer32
  • HKEY_LOCAL_MACHINE\SOFTWARE\AntiSpyware Pro
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{66B643BE-5E94-4569-B93E-CE2636848AC8}

It creates the following files on the system:

  • AntiSpyware Pro.exe
  • ASProSB.dll
  • ASpyProPUBlk.dll
  • BlankActiveX.ocx
  • AntiSpyware Pro.db

Symptoms

Symptoms -

Presence of the files and registry keys mentioned above.

Method of Infection

Method of Infection -

This trojan may masquerade its malicious behavior, and victims are likely to have installed it thinking it is an innocent antispyware program.

Removal -

Removal -

All Users:
Use current engine and DAT files for detection and removal.

Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).

Additional Windows ME/XP removal considerations

Variants

Variants -

    N/A