ADW_LINKEY
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

Threat Type: Adware
Destructiveness: No
Encrypted:
In the wild: Yes
TECHNICAL DETAILS
Autostart Technique
This adware adds the following registry entries to install itself as a Browser Helper Object (BHO):
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{CLSID}
NoExplorer = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{CLSID}
(Default) = "Linkey"
Other System Modifications
This adware adds the following registry entries:
HKEY_CLASSES_ROOT\Linkey.Linkey
(Default) = "Linkey Class"
HKEY_CLASSES_ROOT\Linkey.Linkey\CLSID
(Default) = "{CLSID}"
HKEY_CLASSES_ROOT\AppID\iedll.dll
AppID = "{6A7CD9EC-D8BD-4340-BCD0-77C09A282921}"
HKEY_CLASSES_ROOT\AppID\{6A7CD9EC-D8BD-4340-BCD0-77C09A282921}
(Default) = "Linkey"
HKEY_CLASSES_ROOT\CLSID\{CLSID}
(Default) = "Linkey"
HKEY_CLASSES_ROOT\CLSID\{CLSID}\
Implemented Categories\{Random}
HKEY_CLASSES_ROOT\CLSID\{CLSID}\
InprocServer32
(Default) = "{malware path and file name}.dll"
HKEY_CLASSES_ROOT\CLSID\{CLSID}\
InprocServer32
ThreadingModel = "Apartment"
HKEY_CLASSES_ROOT\CLSID\{CLSID}\
ProgID
(Default) = "Linkey.Linkey"
HKEY_CLASSES_ROOT\CLSID\{CLSID}\
Programmable
HKEY_CLASSES_ROOT\CLSID\{CLSID}\
VersionIndependentProgID
(Default) = "Linkey.Linkey"
HKEY_CLASSES_ROOT\Interface\{Random}
(Default) = "ILinkey"
HKEY_CLASSES_ROOT\Interface\{Random}\
ProxyStubClsid
(Default) = "{Random}"
HKEY_CLASSES_ROOT\Interface\{Random}\
ProxyStubClsid32
(Default) = "{Random}"
HKEY_CLASSES_ROOT\Interface\{Random}\
TypeLib
(Default) = "{726E90BE-DC22-4965-B215-E0784DC26F47}"
HKEY_CLASSES_ROOT\Interface\{Random}\
TypeLib
Version = "1.0"
HKEY_CLASSES_ROOT\TypeLib\{726E90BE-DC22-4965-B215-E0784DC26F47}\
1.0
(Default) = "IEDllLib"
HKEY_CLASSES_ROOT\TypeLib\{726E90BE-DC22-4965-B215-E0784DC26F47}\
1.0\0\win32
(Default) = "{malware path and file name}.dll"
HKEY_CLASSES_ROOT\TypeLib\{726E90BE-DC22-4965-B215-E0784DC26F47}\
1.0\FLAGS
(Default) = "0"
HKEY_CLASSES_ROOT\TypeLib\{726E90BE-DC22-4965-B215-E0784DC26F47}\
1.0\HELPDIR
(Default) = "{malware path}"