TROJ_KRYPT.AJ
TrojanDropper:Win32/Agent.ZBD (Microsoft); Generic.jd (McAfee); Trojan.Win32.Generic!BT (Sunbelt)
Windows 2000, Windows XP, Windows Server 2003

Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
TECHNICAL DETAILS
5,396,992 bytes
EXE
No
03 Apr 2013
Arrival Details
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This Trojan creates the following folders:
- %User Profile%\Application Data\Macromedia
- %User Profile%\Macromedia\Flash Player
- %User Profile%\Flash Player\Cache
- %User Profile%\Cache\bb2a64582b3509cd915c634951fe63f1
- %User Profile%\Flash Player\#Security
- %User Profile%\#Security\FlashPlayerTrust
(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)
Other System Modifications
This Trojan modifies the following file(s):
- %Application Data%\GDIPFONTCACHEV1.DAT
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista and 7.)
It deletes the following files:
- %System%\Macromed\Flash\Flash11.ocx
- %User Profile%\bb2a64582b3509cd915c634951fe63f1\Flash.tlb
(Note: %System% is the Windows system folder, which is usually C:\Windows\System32.. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)
It adds the following registry keys:
HKEY_CURRENT_USER\Software\Microsoft\
Direct3D\MostRecentApplication
HKEY_LOCAL_MACHINE\Software\Macromedia\
FlashPlayer\SafeVersions
HKEY_CLASSES_ROOT\MacromediaFlashPaper.MacromediaFlashPaper
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
MacromediaFlashPaper.MacromediaFlashPaper\CLSID
HKEY_CLASSES_ROOT\ShockwaveFlash.ShockwaveFlash.7
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ShockwaveFlash.ShockwaveFlash.7\CLSID
HKEY_CLASSES_ROOT\ShockwaveFlash.ShockwaveFlash.8
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ShockwaveFlash.ShockwaveFlash.8\CLSID
HKEY_CLASSES_ROOT\ShockwaveFlash.ShockwaveFlash.9
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ShockwaveFlash.ShockwaveFlash.9\CLSID
HKEY_CLASSES_ROOT\ShockwaveFlash.ShockwaveFlash.10
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ShockwaveFlash.ShockwaveFlash.10\CLSID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Programmable
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Control
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\EnableFullPage
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\EnableFullPage\
.spl
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\EnableFullPage\
.swf
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\EnableFullPage\
.mfp
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Implemented Categories
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Implemented Categories\
{7DD95802-9882-11CF-9FA9-00AA006C42C4}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Implemented Categories\
{7DD95801-9882-11CF-9FA9-00AA006C42C4}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Implemented Categories\
{31CAF6E4-D6AA-4090-A050-A5AC8972E9EF}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\Programmable
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\Control
HKEY_CLASSES_ROOT\.mfp
HKEY_CLASSES_ROOT\.sol
HKEY_CLASSES_ROOT\.sor
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\ActiveX Compatibility\{D27CDB70-AE6D-11cf-96B8-444553540000}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{86230738-D762-4C50-A2DE-A753E5B1686F}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{86230738-D762-4C50-A2DE-A753E5B1686F}\ProxyStubClsid
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{86230738-D762-4C50-A2DE-A753E5B1686F}\ProxyStubClsid32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{86230738-D762-4C50-A2DE-A753E5B1686F}\TypeLib
HKEY_CLASSES_ROOT\MacromediaFlashPaper.MacromediaFlashPaper\shell\
open\command
HKEY_CLASSES_ROOT\MacromediaFlashPaper.MacromediaFlashPaper\DefaultIcon
It adds the following registry entries:
HKEY_CURRENT_USER\Software\Microsoft\
Direct3D\MostRecentApplication
Name = "{malware file name}"
HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\
FlashPlayer\SafeVersions
6.0 = "ffffffff"
HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\
FlashPlayer\SafeVersions
7.0 = "ffffffff"
HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\
FlashPlayer\SafeVersions
8.0 = "ffffffff"
HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\
FlashPlayer\SafeVersions
9.0 = "ffffffff"
HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\
FlashPlayer\SafeVersions
10.0 = "e61e"
HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\
FlashPlayer\SafeVersions
11.0 = "6637"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.mfp
Content Type = "application/x-shockwave-flash"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.sol
Content Type = "text/plain"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.sor
Content Type = "text/plain"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\ActiveX Compatibility\{D27CDB70-AE6D-11cf-96B8-444553540000}
Compatibility Flags = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{86230738-D762-4C50-A2DE-A753E5B1686F}\TypeLib
Version = "1.0"
HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\
FlashPlayer
CurrentVersion = "11,1,102,55"
It modifies the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\InprocServer32
ThreadingModel = "Apartment"
(Note: The default value data of the said registry entry is Apartment.)
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\InprocServer32
ThreadingModel = "Apartment"
(Note: The default value data of the said registry entry is Apartment.)
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.spl
Content Type = "application/futuresplash"
(Note: The default value data of the said registry entry is application/futuresplash.)
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.swf
Content Type = "application/x-shockwave-flash"
(Note: The default value data of the said registry entry is application/x-shockwave-flash.)
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
MIME\Database\Content Type\
application/futuresplash
Extension = ".spl"
(Note: The default value data of the said registry entry is .spl.)
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
MIME\Database\Content Type\
application/futuresplash
CLSID = "{D27CDB6E-AE6D-11cf-96B8-444553540000}"
(Note: The default value data of the said registry entry is {D27CDB6E-AE6D-11cf-96B8-444553540000}.)
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
MIME\Database\Content Type\
application/x-shockwave-flash
Extension = ".swf"
(Note: The default value data of the said registry entry is .swf.)
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
MIME\Database\Content Type\
application/x-shockwave-flash
CLSID = "{D27CDB6E-AE6D-11cf-96B8-444553540000}"
(Note: The default value data of the said registry entry is {D27CDB6E-AE6D-11cf-96B8-444553540000}.)
HKEY_CURRENT_USER\Software\Microsoft\
GDIPlus
FontCachePath = "%Application Data%"
(Note: The default value data of the said registry entry is %User Profile%\Local Settings\Application Data.)
It deletes the following registry keys:
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\InprocServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\MiscStatus\
1
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\MiscStatus
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\ProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\ToolboxBitmap32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Version
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\VersionIndependentProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\InprocServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\ProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\ToolboxBitmap32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\Version
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\VersionIndependentProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}
Dropping Routine
This Trojan drops the following files:
- %User Profile%\mm.cfg
- %User Profile%\FlashPlayerTrust\bb2a64582b3509cd915c634951fe63f1.cfg
(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)
This report is generated via an automated analysis system.
SOLUTION
9.300
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
Delete this registry key
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_CURRENT_USER\Software\Microsoft\Direct3D
- MostRecentApplication
- In HKEY_LOCAL_MACHINE\Software\Macromedia\FlashPlayer
- SafeVersions
- In HKEY_CLASSES_ROOT
- MacromediaFlashPaper.MacromediaFlashPaper
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper
- CLSID
- In HKEY_CLASSES_ROOT
- ShockwaveFlash.ShockwaveFlash.7
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.7
- CLSID
- In HKEY_CLASSES_ROOT
- ShockwaveFlash.ShockwaveFlash.8
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.8
- CLSID
- In HKEY_CLASSES_ROOT
- ShockwaveFlash.ShockwaveFlash.9
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.9
- CLSID
- In HKEY_CLASSES_ROOT
- ShockwaveFlash.ShockwaveFlash.10
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.10
- CLSID
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}
- Programmable
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}
- Control
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}
- EnableFullPage
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\EnableFullPage
- .spl
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\EnableFullPage
- .swf
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\EnableFullPage
- .mfp
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}
- Implemented Categories
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Implemented Categories
- {7DD95802-9882-11CF-9FA9-00AA006C42C4}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Implemented Categories
- {7DD95801-9882-11CF-9FA9-00AA006C42C4}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Implemented Categories
- {31CAF6E4-D6AA-4090-A050-A5AC8972E9EF}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}
- Programmable
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}
- Control
- In HKEY_CLASSES_ROOT
- .mfp
- In HKEY_CLASSES_ROOT
- .sol
- In HKEY_CLASSES_ROOT
- .sor
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility
- {D27CDB70-AE6D-11cf-96B8-444553540000}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
- {86230738-D762-4C50-A2DE-A753E5B1686F}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{86230738-D762-4C50-A2DE-A753E5B1686F}
- ProxyStubClsid
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{86230738-D762-4C50-A2DE-A753E5B1686F}
- ProxyStubClsid32
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{86230738-D762-4C50-A2DE-A753E5B1686F}
- TypeLib
- In HKEY_CLASSES_ROOT\MacromediaFlashPaper.MacromediaFlashPaper\shell\open
- command
- In HKEY_CLASSES_ROOT\MacromediaFlashPaper.MacromediaFlashPaper
- DefaultIcon
Step 3
Delete this registry value
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_CURRENT_USER\Software\Microsoft\Direct3D\MostRecentApplication
- Name = "{malware file name}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\FlashPlayer\SafeVersions
- 6.0 = "ffffffff"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\FlashPlayer\SafeVersions
- 7.0 = "ffffffff"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\FlashPlayer\SafeVersions
- 8.0 = "ffffffff"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\FlashPlayer\SafeVersions
- 9.0 = "ffffffff"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\FlashPlayer\SafeVersions
- 10.0 = "e61e"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\FlashPlayer\SafeVersions
- 11.0 = "6637"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.mfp
- Content Type = "application/x-shockwave-flash"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.sol
- Content Type = "text/plain"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.sor
- Content Type = "text/plain"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{D27CDB70-AE6D-11cf-96B8-444553540000}
- Compatibility Flags = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{86230738-D762-4C50-A2DE-A753E5B1686F}\TypeLib
- Version = "1.0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\FlashPlayer
- CurrentVersion = "11,1,102,55"
Step 4
Restore these modified registry values
Important:Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this only if you know how to or you can seek your system administrator's help. You may also check out this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\InprocServer32
- From: ThreadingModel = "Apartment"
To: ThreadingModel = ""Apartment""
- From: ThreadingModel = "Apartment"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\InprocServer32
- From: ThreadingModel = "Apartment"
To: ThreadingModel = ""Apartment""
- From: ThreadingModel = "Apartment"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.spl
- From: Content Type = "application/futuresplash"
To: Content Type = ""application/futuresplash""
- From: Content Type = "application/futuresplash"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.swf
- From: Content Type = "application/x-shockwave-flash"
To: Content Type = ""application/x-shockwave-flash""
- From: Content Type = "application/x-shockwave-flash"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/futuresplash
- From: Extension = ".spl"
To: Extension = "".spl""
- From: Extension = ".spl"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/futuresplash
- From: CLSID = "{D27CDB6E-AE6D-11cf-96B8-444553540000}"
To: CLSID = ""{D27CDB6E-AE6D-11cf-96B8-444553540000}""
- From: CLSID = "{D27CDB6E-AE6D-11cf-96B8-444553540000}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/x-shockwave-flash
- From: Extension = ".swf"
To: Extension = "".swf""
- From: Extension = ".swf"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/x-shockwave-flash
- From: CLSID = "{D27CDB6E-AE6D-11cf-96B8-444553540000}"
To: CLSID = ""{D27CDB6E-AE6D-11cf-96B8-444553540000}""
- From: CLSID = "{D27CDB6E-AE6D-11cf-96B8-444553540000}"
- In HKEY_CURRENT_USER\Software\Microsoft\GDIPlus
- From: FontCachePath = "%Application Data%"
To: FontCachePath = ""%User Profile%\Local Settings\Application Data""
- From: FontCachePath = "%Application Data%"
Step 5
Search and delete these components
- %User Profile%\mm.cfg
- %User Profile%\FlashPlayerTrust\bb2a64582b3509cd915c634951fe63f1.cfg
Step 6
Search and delete these folders
- %User Profile%\Application Data\Macromedia
- %User Profile%\Macromedia\Flash Player
- %User Profile%\Flash Player\Cache
- %User Profile%\Cache\bb2a64582b3509cd915c634951fe63f1
- %User Profile%\Flash Player\#Security
- %User Profile%\#Security\FlashPlayerTrust
Step 7
Scan your computer with your Trend Micro product to delete files detected as TROJ_KRYPT.AJ. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
Step 8
Restore deleted/modified files and/or registry entries from backup
*Note: Only Microsoft-related files/keys/values will be restored. If this malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.
- %Application Data%\GDIPFONTCACHEV1.DAT
Step 9
Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.
- %System%\Macromed\Flash\Flash11.ocx
- %User Profile%\bb2a64582b3509cd915c634951fe63f1\Flash.tlb
Step 10
Restore these deleted registry keys/values from backup
*Note: Only Microsoft-related keys/values will be restored. If the malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}
- InprocServer32
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\MiscStatus
- 1
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}
- MiscStatus
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}
- ProgID
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}
- ToolboxBitmap32
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}
- TypeLib
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}
- Version
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}
- VersionIndependentProgID
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
- {D27CDB6E-AE6D-11cf-96B8-444553540000}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}
- InprocServer32
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}
- ProgID
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}
- ToolboxBitmap32
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}
- TypeLib
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}
- Version
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}
- VersionIndependentProgID
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
- {D27CDB70-AE6D-11cf-96B8-444553540000}
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