Updated: May 13, 2008 3:56:58 PM
Type: Misleading Application
Name: MalwareScanner
Version: 3.1.0.1
Publisher: MalwareRemover.com
Risk Impact: Medium
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Vista, Windows XP
BehaviorThe program must be manually installed. It can be downloaded from the following location:
MalwareRemover.com

The program reports false or exaggerated system security threats on the computer.

The user is then prompted to pay for a full license of the application in order to remove the errors.
InstallationWhen the program is executed, it creates the following files:
- %UserProfile%\Desktop\Malware Scanner.lnk
- %UserProfile%\Local Settings\Temp\[RANDOM NAME].tmp
- C:\Documents and Settings\All Users\Start Menu\Programs\MalwareRemover.com\Malware Scanner\Help.lnk
- C:\Documents and Settings\All Users\Start Menu\Programs\MalwareRemover.com\Malware Scanner\Malware Scanner.lnk
- C:\Documents and Settings\All Users\Start Menu\Programs\MalwareRemover.com\Malware Scanner\Uninstall.lnk
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\Core.dll
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\DataBase.ini
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\DB1.ms
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\DB2.ms
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\DB3.ms
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\DB4.ms
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\DB5.ms
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\English.inf
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\English.jpg
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\Errors.txt
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\Fire.ms
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\Help.chm
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\hosts
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\MalScr.exe
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\MsgBox.ms
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\Purchase.ms
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\Scan Session.txt
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\Scanner.ms
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\scanning.ms
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\Splash.spl
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\unins000.dat
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\unins000.exe
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\update.cli
- %ProgramFiles%\MalwareRemover.com\Malware Scanner\update.exe
- %System%\ACTSKN43.OCX
- %System%\actsplash.ocx
- %System%\AS-Exp2.ocx
- %System%\Flash.ocx
- %System%\IGUltraGrid20.ocx
- %System%\md5.dll
- %System%\ProgressBar4.ocx
- %System%\systray.ocx
- %System%\threadapi.tlb
- %System%\XceedBkp.dll
- %System%\XceedCry.dll
Next, the program creates the following registry entry so that it executes whenever Windows starts:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\"Malware Scanner" = "C:\Program Files\MalwareRemover.com\Malware Scanner\MalScr.exe"
It also creates the following registry subkeys:
- HKEY_CURRENT_USER\Software\Malware Scanner
- HKEY_CLASSES_ROOT\.mfp
- HKEY_CLASSES_ROOT\.sol
- HKEY_CLASSES_ROOT\.sor
- HKEY_CLASSES_ROOT\ActiveSplash.Splash.1
- HKEY_CLASSES_ROOT\ActiveSplash.Splash
- HKEY_CLASSES_ROOT\CLSID\{09C38747-4633-4AEE-9C9A-EFA67F08AB13}
- HKEY_CLASSES_ROOT\CLSID\{11B75807-E720-460B-99C5-D750581D9F3A}
- HKEY_CLASSES_ROOT\CLSID\{268580D5-B20E-4B2B-9C4A-09F56AA00CC3}
- HKEY_CLASSES_ROOT\CLSID\{2FA44B26-F9A8-469C-AF7E-C5D301E1BF4B}
- HKEY_CLASSES_ROOT\CLSID\{5C6289F4-C822-45D0-9BBE-06BCE8A7A8EB}
- HKEY_CLASSES_ROOT\CLSID\{6241AF3F-2B41-41AD-A268-68CD710D34C2}
- HKEY_CLASSES_ROOT\CLSID\{6A0CC99A-3471-4FC3-9BF9-E9DFD9CF7A05}
- HKEY_CLASSES_ROOT\CLSID\{84FD864B-8B6B-41AC-8CE3-15F3BBBAE904}
- HKEY_CLASSES_ROOT\CLSID\{A6C9D669-AE01-411F-B0FF-64E23352E140}
- HKEY_CLASSES_ROOT\CLSID\{C9F99872-310A-4F9D-9E36-ED5C8FD6A5B0}
- HKEY_CLASSES_ROOT\CLSID\{D1B5603A-54B5-4C23-BA4B-DEAA204AF07C}
- HKEY_CLASSES_ROOT\CLSID\{D4D72717-D96A-4BA1-A136-EADB379BE963}
- HKEY_CLASSES_ROOT\CLSID\{D88797FA-4784-4B40-8C5A-C4626297EC0E}
- HKEY_CLASSES_ROOT\Interface\{1ED66E9B-5A1B-4354-9A00-8CE8C809F0A0}
- HKEY_CLASSES_ROOT\Interface\{1FD72A8C-E2CE-41EB-9AA4-3D2E18DCA49F}
- HKEY_CLASSES_ROOT\Interface\{25B5C75A-CC13-443C-AA0F-D92A2A8ECE7E}
- HKEY_CLASSES_ROOT\Interface\{3F6FC238-3D6C-455F-B1AD-203F3F9DE391}
- HKEY_CLASSES_ROOT\Interface\{4CA2CA27-2031-405C-86E5-84637FB595C5}
- HKEY_CLASSES_ROOT\Interface\{4E0E6D86-082D-4D60-A733-29A66909BDC8}
- HKEY_CLASSES_ROOT\Interface\{6F7C160F-ECE1-4DFC-A4C1-AE0D0AA5CD20}
- HKEY_CLASSES_ROOT\Interface\{8573FCF1-941E-4D3A-880B-3F34B380104B}
- HKEY_CLASSES_ROOT\Interface\{99102376-125C-4A3B-B236-B5F2A94C4259}
- HKEY_CLASSES_ROOT\Interface\{9F2D645B-C067-4001-9212-F5DC813415FE}
- HKEY_CLASSES_ROOT\Interface\{A8999341-7238-4AEE-806F-2D2FEA37C255}
- HKEY_CLASSES_ROOT\Interface\{B5745800-DA7C-4B4B-B775-D56AE8984D82}
- HKEY_CLASSES_ROOT\Interface\{C0F24FD7-D91A-4858-BE9B-FCF1DA5B2A31}
- HKEY_CLASSES_ROOT\Interface\{D3B810A9-7B1C-47F0-9B72-F1A24568B8A6}
- HKEY_CLASSES_ROOT\Interface\{E09C0C3D-3C14-4F65-B4D1-CF7DD53F7AF3}
- HKEY_CLASSES_ROOT\Interface\{EC058846-AE55-4BDF-B379-9D2BE64D7D3A}
- HKEY_CLASSES_ROOT\Interface\{EEDD46CD-3900-426F-838F-E543A0D69584}
- HKEY_CLASSES_ROOT\Interface\{FB3AF05A-AB26-48E7-BE5A-CFFAA5980A97}
- HKEY_CLASSES_ROOT\MacromediaFlashPaper.MacromediaFlashPaper
- HKEY_CLASSES_ROOT\Scanner.Backup2
- HKEY_CLASSES_ROOT\Scanner.Error2
- HKEY_CLASSES_ROOT\Scanner.Loading2
- HKEY_CLASSES_ROOT\Scanner.Remove2
- HKEY_CLASSES_ROOT\Scanner.Scan2
- HKEY_CLASSES_ROOT\Scanner.Shield2
- HKEY_CLASSES_ROOT\Scanner.ThreadControl2
- HKEY_CLASSES_ROOT\Scanner.ThreadLaunch2
- HKEY_CLASSES_ROOT\Scanner.Worker2
- HKEY_CLASSES_ROOT\ShockwaveFlash.ShockwaveFlash.7
- HKEY_CLASSES_ROOT\ShockwaveFlash.ShockwaveFlash.8
- HKEY_CLASSES_ROOT\TypeLib\{46D36DC4-1F37-11D3-9DD0-AE1592195F1B}
- HKEY_CLASSES_ROOT\TypeLib\{51B5287B-1776-4DD7-8EC2-9EF1BEAF4102}
- HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Malware Scanner_is1