TROJ_VBKRYPT.CD
PWS:Win32/Fignotok.A (Microsoft); [3.nsis]:W32/Rimecud.gen.u (McAfee); Trojan.ADH (Symantec); ARC:NSIS, [data0003]:Trojan.Win32.VBKrypt.aqr (Kaspersky); Virtool.Win32.Vbinject.Gen.2 (v) (Sunbelt); Trojan.Generic.4564995 (FSecure)
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
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:
- %System Root%\DOCUME~1
- %System Root%\DOCUME~1\ADMINI~1
- %User Profile%\LOCALS~1
- %User Profile%\Application Data\DMCache
- %User Profile%\Application Data\IDM
- %User Profile%\My Documents\Downloads
- %User Profile%\Downloads\Compressed
- %User Profile%\Downloads\Documents
- %User Profile%\Downloads\Music
- %User Profile%\Downloads\Programs
- %User Profile%\Downloads\Video
- %User Profile%\IDM\Grabber
- %User Profile%\Grabber\Projects
- %User Profile%\IDM\Scheduler
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.. %User Profile% is the current user's profile folder, which is usually C:\Windows\Profiles\{user name} on Windows 98 and ME, C:\WINNT\Profiles\{user name} on Windows NT, and C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003.)
Autostart Technique
This Trojan adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
IDMan = "%User Temp%\IDMan.exe /onboot"
It registers itself as a BHO to ensure its automatic execution every time Internet Explorer is used by adding the following registry keys:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{0055C089-8582-441B-A0BF-17B458C2A3A8}
Other System Modifications
This Trojan deletes the following files:
- %User Temp%\nsq1.tmp
- %User Profile%\IDM\temp.htm
- %Windows%\SoftwareDistribution\DataStore\Logs\edbtmp.log
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.. %User Profile% is the current user's profile folder, which is usually C:\Windows\Profiles\{user name} on Windows 98 and ME, C:\WINNT\Profiles\{user name} on Windows NT, and C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003.. %Windows% is the Windows folder, which is usually C:\Windows or C:\WINNT.)
It adds the following registry keys:
HKEY_CURRENT_USER\Software\DownloadManager
HKEY_CURRENT_USER\Software\DownloadManager\
MCN
HKEY_CURRENT_USER\Software\DownloadManager\
IDMBI
HKEY_CURRENT_USER\Software\DownloadManager\
IDMBI\IEXPLORE
HKEY_CURRENT_USER\Software\DownloadManager\
IDMBI\Firefox
HKEY_CURRENT_USER\Software\DownloadManager\
IDMBI\OPERA
HKEY_CURRENT_USER\Software\DownloadManager\
IDMBI\chrome
HKEY_CURRENT_USER\Software\DownloadManager\
IDMBI\Safari
HKEY_CURRENT_USER\Software\DownloadManager\
IDMBI\NETSCP
HKEY_CURRENT_USER\Software\DownloadManager\
IDMBI\Mozilla
HKEY_CURRENT_USER\Software\DownloadManager\
SpecialKeys
HKEY_CURRENT_USER\Software\DownloadManager\
menuExt
HKEY_CURRENT_USER\Software\DownloadManager\
Passwords
HKEY_CURRENT_USER\Software\DownloadManager\
ListSettings
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree
HKEY_CURRENT_USER\Software\DownloadManager\
maxID
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Compressed
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Documents
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Music
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Programs
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Video
HKEY_CLASSES_ROOT\IDMan.CIDMLinkTransmitter
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
IDMan.CIDMLinkTransmitter\CLSID
HKEY_CLASSES_ROOT\CLSID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}\LocalServer32
HKEY_CURRENT_USER\Software\Classes\
CLSID\{07999AC3-058B-40BF-984F-69EB1E554CA7}
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\MenuExt
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\MenuExt\Download with IDM
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\MenuExt\Download all links with IDM
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\MenuExt\Download FLV video content with IDM
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Low Rights
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Low Rights\ElevationPolicy
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Low Rights\ElevationPolicy\
{E0DACC63-037F-46EE-AC02-E4C7B0FBFEB4}
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Low Rights\ElevationPolicy\
{1902485B-CE75-42C1-BA2D-57E660793D9A}
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Low Rights\DragDrop
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Low Rights\DragDrop\
{19129CDA-AFC0-4330-99BC-C5A834F89006}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
PROTOCOLS\Name-Space Handler\http
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
PROTOCOLS\Name-Space Handler\https
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
PROTOCOLS\Name-Space Handler\ftp
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects
HKEY_CURRENT_USER\Software\DownloadManager\
Scheduler
HKEY_CURRENT_USER\Software\DownloadManager\
Queue
It adds the following registry entries:
HKEY_CURRENT_USER\Software\DownloadManager\
IDMBI\IEXPLORE
name = "Internet Explorer"
HKEY_CURRENT_USER\Software\DownloadManager\
IDMBI\IEXPLORE
int = "1"
HKEY_CURRENT_USER\Software\DownloadManager\
IDMBI\Firefox
name = "Mozilla firefox"
HKEY_CURRENT_USER\Software\DownloadManager\
IDMBI\Firefox
int = "1"
HKEY_CURRENT_USER\Software\DownloadManager\
IDMBI\OPERA
name = "Opera"
HKEY_CURRENT_USER\Software\DownloadManager\
IDMBI\OPERA
int = "1"
HKEY_CURRENT_USER\Software\DownloadManager\
IDMBI\chrome
name = "Google Chrome"
HKEY_CURRENT_USER\Software\DownloadManager\
IDMBI\chrome
int = "1"
HKEY_CURRENT_USER\Software\DownloadManager\
IDMBI\Safari
name = "Apple Safari"
HKEY_CURRENT_USER\Software\DownloadManager\
IDMBI\Safari
int = "1"
HKEY_CURRENT_USER\Software\DownloadManager\
IDMBI\NETSCP
name = "Netscape 6 and later"
HKEY_CURRENT_USER\Software\DownloadManager\
IDMBI\NETSCP
int = "1"
HKEY_CURRENT_USER\Software\DownloadManager\
IDMBI\Mozilla
name = "Mozilla"
HKEY_CURRENT_USER\Software\DownloadManager\
IDMBI\Mozilla
int = "1"
HKEY_CURRENT_USER\Software\DownloadManager\
SpecialKeys
UseKeyToPrevent = "1"
HKEY_CURRENT_USER\Software\DownloadManager\
SpecialKeys
UseKeyToForce = "0"
HKEY_CURRENT_USER\Software\DownloadManager\
SpecialKeys
AltP = "1"
HKEY_CURRENT_USER\Software\DownloadManager\
SpecialKeys
ShiftP = "0"
HKEY_CURRENT_USER\Software\DownloadManager\
SpecialKeys
CtrlP = "0"
HKEY_CURRENT_USER\Software\DownloadManager\
SpecialKeys
AltF = "0"
HKEY_CURRENT_USER\Software\DownloadManager\
SpecialKeys
CtrlF = "0"
HKEY_CURRENT_USER\Software\DownloadManager\
SpecialKeys
ShiftF = "0"
HKEY_CURRENT_USER\Software\DownloadManager\
SpecialKeys
InsF = "1"
HKEY_CURRENT_USER\Software\DownloadManager\
SpecialKeys
CheckMouse = "1"
HKEY_CURRENT_USER\Software\DownloadManager
AppDataIDMFolder = "%User Profile%\Application Data\IDM"
HKEY_CURRENT_USER\Software\DownloadManager\
menuExt
ffdownl1_str = "Download with IDM"
HKEY_CURRENT_USER\Software\DownloadManager\
menuExt
ffdownlAll_str = "Download all links with IDM"
HKEY_CURRENT_USER\Software\DownloadManager\
menuExt
ffdownlFLV_str = "Download last requested FLV video"
HKEY_CURRENT_USER\Software\DownloadManager\
menuExt
ffdownl10FLV_str = "Choose from 10 last requested FLV videos"
HKEY_CURRENT_USER\Software\DownloadManager\
menuExt
ffdownlppFLV_str = "Download FLV video with IDM"
HKEY_CURRENT_USER\Software\DownloadManager\
menuExt
ffdownlFLVa_str = "Download last requested FLV video with IDM"
HKEY_CURRENT_USER\Software\DownloadManager\
menuExt
ffdownl10FLVa_str = "Download FLV videos with IDM from 10 last requested"
HKEY_CURRENT_USER\Software\DownloadManager
ExceptionServers = "{random characters}"
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Compressed
ID = "7"
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Compressed
mask = "zip rar r0* r1* arj gz sit sitx sea ace bz2 7z"
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Compressed
pathW = "[REG_NONE, size: 148 bytes]"
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Compressed
rememberLastPath = "0"
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Documents
ID = "5"
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Documents
mask = "doc pdf ppt pps"
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Documents
pathW = "[REG_NONE, size: 146 bytes]"
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Documents
rememberLastPath = "0"
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Music
ID = "2"
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Music
mask = "mp3 wav wma mpa ram ra aac aif m4a"
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Music
pathW = "[REG_NONE, size: 138 bytes]"
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Music
rememberLastPath = "0"
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Programs
ID = "1"
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Programs
mask = "exe msi"
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Programs
pathW = "[REG_NONE, size: 144 bytes]"
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Programs
rememberLastPath = "0"
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Video
ID = "3"
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Video
mask = "avi mpg mpe mpeg asf wmv mov qt rm mp4 flv"
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Video
pathW = "[REG_NONE, size: 138 bytes]"
HKEY_CURRENT_USER\Software\DownloadManager\
FoldersTree\Video
rememberLastPath = "0"
HKEY_CURRENT_USER\Software\DownloadManager
Extensions = "{random characters}"
HKEY_CURRENT_USER\Software\DownloadManager
LocalPathW = "[REG_NONE, size: 128 bytes]"
HKEY_CURRENT_USER\Software\DownloadManager
TempPath = "%User Profile%\Application Data\IDM"
HKEY_CURRENT_USER\Software\DownloadManager
FindApps = "0"
HKEY_CURRENT_USER\Software\DownloadManager
ExePath = "%User Temp%\IDMan.exe"
HKEY_CURRENT_USER\Software\DownloadManager
idmvers = "v5.18b5 Trial"
HKEY_CURRENT_USER\Software\DownloadManager
LastCheck = "03/04/12"
HKEY_CURRENT_USER\Software\DownloadManager
ConnectionType = "0"
HKEY_CURRENT_USER\Software\DownloadManager
ConnectionSpeed = "0"
HKEY_CURRENT_USER\Software\DownloadManager
LaunchOnStart = "1"
HKEY_CURRENT_USER\Software\DownloadManager
RememberLastSave = "1"
HKEY_CURRENT_USER\Software\DownloadManager
MonitorUrlClipboard = "0"
HKEY_CURRENT_USER\Software\DownloadManager
UseHttpProxy = "0"
HKEY_CURRENT_USER\Software\DownloadManager
UseFtpProxy = "0"
HKEY_CURRENT_USER\Software\DownloadManager
FtpPasive = "0"
HKEY_CURRENT_USER\Software\DownloadManager
IntegrateNN = "1"
HKEY_CURRENT_USER\CLSID\{07999AC3-058B-40BF-984F-69EB1E554CA7}
Model = "4"
HKEY_CURRENT_USER\CLSID\{07999AC3-058B-40BF-984F-69EB1E554CA7}
Therad = "1"
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\MenuExt\Download with IDM
contexts = "f3"
HKEY_CURRENT_USER\Software\DownloadManager\
menuExt
iedownl1_str = "Download with IDM"
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\MenuExt\Download all links with IDM
contexts = "f3"
HKEY_CURRENT_USER\Software\DownloadManager\
menuExt
iedownlAll_str = "Download all links with IDM"
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\MenuExt\Download FLV video content with IDM
contexts = "f3"
HKEY_CURRENT_USER\Software\DownloadManager\
menuExt
iedownlFLV_str = "Download FLV video content with IDM"
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Low Rights\ElevationPolicy\
{E0DACC63-037F-46EE-AC02-E4C7B0FBFEB4}
AppName = "IDMan.exe"
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Low Rights\ElevationPolicy\
{E0DACC63-037F-46EE-AC02-E4C7B0FBFEB4}
AppPath = "%User Temp%"
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Low Rights\ElevationPolicy\
{E0DACC63-037F-46EE-AC02-E4C7B0FBFEB4}
Policy = "3"
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Low Rights\ElevationPolicy\
{1902485B-CE75-42C1-BA2D-57E660793D9A}
AppName = "IEMonitor.exe"
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Low Rights\ElevationPolicy\
{1902485B-CE75-42C1-BA2D-57E660793D9A}
AppPath = "%User Temp%"
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Low Rights\ElevationPolicy\
{1902485B-CE75-42C1-BA2D-57E660793D9A}
Policy = "3"
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Low Rights\DragDrop\
{19129CDA-AFC0-4330-99BC-C5A834F89006}
AppName = "IDMan.exe"
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Low Rights\DragDrop\
{19129CDA-AFC0-4330-99BC-C5A834F89006}
AppPath = "%User Temp%"
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Low Rights\DragDrop\
{19129CDA-AFC0-4330-99BC-C5A834F89006}
Policy = "3"
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer
DownloadUI = "{7D11E719-FF90-479C-B0D7-96EB43EE55D7}"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer
DownloadUI = "{7D11E719-FF90-479C-B0D7-96EB43EE55D7}"
HKEY_CURRENT_USER\Software\DownloadManager
FSSettingsChecked = "1"
HKEY_CURRENT_USER\Software\DownloadManager
AdvancedIntegration = "0"
HKEY_CURRENT_USER\Software\DownloadManager
mzcc_ext_vers = "25f"
HKEY_CURRENT_USER\Software\DownloadManager
intAOFRWE = "1"
HKEY_CURRENT_USER\Software\DownloadManager
IntegrateMIE = "1"
HKEY_CURRENT_USER\Software\DownloadManager
mzcc_vers = "ca5a"
HKEY_CURRENT_USER\Software\DownloadManager
TrayIcon = "1"
It deletes the following registry keys:
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\MenuExt\{random key}
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\MenuExt\Download with IDMan
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
PROTOCOLS\Name-Space Handler\http\
zzx
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
PROTOCOLS\Name-Space Handler\http\
TDA
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
PROTOCOLS\Name-Space Handler\https\
zzx
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
PROTOCOLS\Name-Space Handler\ftp\
zzx
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
PROTOCOLS\Name-Space Handler\ftp\
TDA
Dropping Routine
This Trojan drops the following files:
- %User Temp%\IDMan.exe
- %User Temp%\final.exe
- %User Profile%\Scheduler\s_1.dt
- %User Profile%\Application Data\chrtmp
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.. %User Profile% is the current user's profile folder, which is usually C:\Windows\Profiles\{user name} on Windows 98 and ME, C:\WINNT\Profiles\{user name} on Windows NT, and C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003.)
This report is generated via an automated analysis system.
SOLUTION
Step 1
For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.
Step 2
Restart in Safe Mode
Step 3
Close all opened browser windows
Step 4
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
- DownloadManager
- In HKEY_CURRENT_USER\Software\DownloadManager
- MCN
- In HKEY_CURRENT_USER\Software\DownloadManager
- IDMBI
- In HKEY_CURRENT_USER\Software\DownloadManager\IDMBI
- IEXPLORE
- In HKEY_CURRENT_USER\Software\DownloadManager\IDMBI
- Firefox
- In HKEY_CURRENT_USER\Software\DownloadManager\IDMBI
- OPERA
- In HKEY_CURRENT_USER\Software\DownloadManager\IDMBI
- chrome
- In HKEY_CURRENT_USER\Software\DownloadManager\IDMBI
- Safari
- In HKEY_CURRENT_USER\Software\DownloadManager\IDMBI
- NETSCP
- In HKEY_CURRENT_USER\Software\DownloadManager\IDMBI
- Mozilla
- In HKEY_CURRENT_USER\Software\DownloadManager
- SpecialKeys
- In HKEY_CURRENT_USER\Software\DownloadManager
- menuExt
- In HKEY_CURRENT_USER\Software\DownloadManager
- Passwords
- In HKEY_CURRENT_USER\Software\DownloadManager
- ListSettings
- In HKEY_CURRENT_USER\Software\DownloadManager
- FoldersTree
- In HKEY_CURRENT_USER\Software\DownloadManager
- maxID
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree
- Compressed
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree
- Documents
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree
- Music
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree
- Programs
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree
- Video
- In HKEY_CLASSES_ROOT
- IDMan.CIDMLinkTransmitter
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\IDMan.CIDMLinkTransmitter
- CLSID
- In HKEY_CLASSES_ROOT\CLSID
- {AC746233-E9D3-49CD-862F-068F7B7CCCA4}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}
- LocalServer32
- In HKEY_CURRENT_USER\Software\Classes\CLSID
- {07999AC3-058B-40BF-984F-69EB1E554CA7}
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer
- MenuExt
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\MenuExt
- Download with IDM
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\MenuExt
- Download all links with IDM
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\MenuExt
- Download FLV video content with IDM
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer
- Low Rights
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Low Rights
- ElevationPolicy
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy
- {E0DACC63-037F-46EE-AC02-E4C7B0FBFEB4}
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy
- {1902485B-CE75-42C1-BA2D-57E660793D9A}
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Low Rights
- DragDrop
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Low Rights\DragDrop
- {19129CDA-AFC0-4330-99BC-C5A834F89006}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\PROTOCOLS\Name-Space Handler
- http
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\PROTOCOLS\Name-Space Handler
- https
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\PROTOCOLS\Name-Space Handler
- ftp
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
- Browser Helper Objects
- In HKEY_CURRENT_USER\Software\DownloadManager
- Scheduler
- In HKEY_CURRENT_USER\Software\DownloadManager
- Queue
Step 5
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\Windows\CurrentVersion\Run
- IDMan = "%User Temp%\IDMan.exe /onboot"
- In HKEY_CURRENT_USER\Software\DownloadManager\IDMBI\IEXPLORE
- name = "Internet Explorer"
- In HKEY_CURRENT_USER\Software\DownloadManager\IDMBI\IEXPLORE
- int = "1"
- In HKEY_CURRENT_USER\Software\DownloadManager\IDMBI\Firefox
- name = "Mozilla firefox"
- In HKEY_CURRENT_USER\Software\DownloadManager\IDMBI\Firefox
- int = "1"
- In HKEY_CURRENT_USER\Software\DownloadManager\IDMBI\OPERA
- name = "Opera"
- In HKEY_CURRENT_USER\Software\DownloadManager\IDMBI\OPERA
- int = "1"
- In HKEY_CURRENT_USER\Software\DownloadManager\IDMBI\chrome
- name = "Google Chrome"
- In HKEY_CURRENT_USER\Software\DownloadManager\IDMBI\chrome
- int = "1"
- In HKEY_CURRENT_USER\Software\DownloadManager\IDMBI\Safari
- name = "Apple Safari"
- In HKEY_CURRENT_USER\Software\DownloadManager\IDMBI\Safari
- int = "1"
- In HKEY_CURRENT_USER\Software\DownloadManager\IDMBI\NETSCP
- name = "Netscape 6 and later"
- In HKEY_CURRENT_USER\Software\DownloadManager\IDMBI\NETSCP
- int = "1"
- In HKEY_CURRENT_USER\Software\DownloadManager\IDMBI\Mozilla
- name = "Mozilla"
- In HKEY_CURRENT_USER\Software\DownloadManager\IDMBI\Mozilla
- int = "1"
- In HKEY_CURRENT_USER\Software\DownloadManager\SpecialKeys
- UseKeyToPrevent = "1"
- In HKEY_CURRENT_USER\Software\DownloadManager\SpecialKeys
- UseKeyToForce = "0"
- In HKEY_CURRENT_USER\Software\DownloadManager\SpecialKeys
- AltP = "1"
- In HKEY_CURRENT_USER\Software\DownloadManager\SpecialKeys
- ShiftP = "0"
- In HKEY_CURRENT_USER\Software\DownloadManager\SpecialKeys
- CtrlP = "0"
- In HKEY_CURRENT_USER\Software\DownloadManager\SpecialKeys
- AltF = "0"
- In HKEY_CURRENT_USER\Software\DownloadManager\SpecialKeys
- CtrlF = "0"
- In HKEY_CURRENT_USER\Software\DownloadManager\SpecialKeys
- ShiftF = "0"
- In HKEY_CURRENT_USER\Software\DownloadManager\SpecialKeys
- InsF = "1"
- In HKEY_CURRENT_USER\Software\DownloadManager\SpecialKeys
- CheckMouse = "1"
- In HKEY_CURRENT_USER\Software\DownloadManager
- AppDataIDMFolder = "%User Profile%\Application Data\IDM"
- In HKEY_CURRENT_USER\Software\DownloadManager\menuExt
- ffdownl1_str = "Download with IDM"
- In HKEY_CURRENT_USER\Software\DownloadManager\menuExt
- ffdownlAll_str = "Download all links with IDM"
- In HKEY_CURRENT_USER\Software\DownloadManager\menuExt
- ffdownlFLV_str = "Download last requested FLV video"
- In HKEY_CURRENT_USER\Software\DownloadManager\menuExt
- ffdownl10FLV_str = "Choose from 10 last requested FLV videos"
- In HKEY_CURRENT_USER\Software\DownloadManager\menuExt
- ffdownlppFLV_str = "Download FLV video with IDM"
- In HKEY_CURRENT_USER\Software\DownloadManager\menuExt
- ffdownlFLVa_str = "Download last requested FLV video with IDM"
- In HKEY_CURRENT_USER\Software\DownloadManager\menuExt
- ffdownl10FLVa_str = "Download FLV videos with IDM from 10 last requested"
- In HKEY_CURRENT_USER\Software\DownloadManager
- ExceptionServers = "{random characters}"
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree\Compressed
- ID = "7"
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree\Compressed
- mask = "zip rar r0* r1* arj gz sit sitx sea ace bz2 7z"
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree\Compressed
- pathW = "[REG_NONE, size: 148 bytes]"
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree\Compressed
- rememberLastPath = "0"
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree\Documents
- ID = "5"
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree\Documents
- mask = "doc pdf ppt pps"
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree\Documents
- pathW = "[REG_NONE, size: 146 bytes]"
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree\Documents
- rememberLastPath = "0"
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree\Music
- ID = "2"
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree\Music
- mask = "mp3 wav wma mpa ram ra aac aif m4a"
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree\Music
- pathW = "[REG_NONE, size: 138 bytes]"
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree\Music
- rememberLastPath = "0"
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree\Programs
- ID = "1"
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree\Programs
- mask = "exe msi"
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree\Programs
- pathW = "[REG_NONE, size: 144 bytes]"
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree\Programs
- rememberLastPath = "0"
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree\Video
- ID = "3"
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree\Video
- mask = "avi mpg mpe mpeg asf wmv mov qt rm mp4 flv"
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree\Video
- pathW = "[REG_NONE, size: 138 bytes]"
- In HKEY_CURRENT_USER\Software\DownloadManager\FoldersTree\Video
- rememberLastPath = "0"
- In HKEY_CURRENT_USER\Software\DownloadManager
- Extensions = "{random characters}"
- In HKEY_CURRENT_USER\Software\DownloadManager
- LocalPathW = "[REG_NONE, size: 128 bytes]"
- In HKEY_CURRENT_USER\Software\DownloadManager
- TempPath = "%User Profile%\Application Data\IDM"
- In HKEY_CURRENT_USER\Software\DownloadManager
- FindApps = "0"
- In HKEY_CURRENT_USER\Software\DownloadManager
- ExePath = "%User Temp%\IDMan.exe"
- In HKEY_CURRENT_USER\Software\DownloadManager
- idmvers = "v5.18b5 Trial"
- In HKEY_CURRENT_USER\Software\DownloadManager
- LastCheck = "03/04/12"
- In HKEY_CURRENT_USER\Software\DownloadManager
- ConnectionType = "0"
- In HKEY_CURRENT_USER\Software\DownloadManager
- ConnectionSpeed = "0"
- In HKEY_CURRENT_USER\Software\DownloadManager
- LaunchOnStart = "1"
- In HKEY_CURRENT_USER\Software\DownloadManager
- RememberLastSave = "1"
- In HKEY_CURRENT_USER\Software\DownloadManager
- MonitorUrlClipboard = "0"
- In HKEY_CURRENT_USER\Software\DownloadManager
- UseHttpProxy = "0"
- In HKEY_CURRENT_USER\Software\DownloadManager
- UseFtpProxy = "0"
- In HKEY_CURRENT_USER\Software\DownloadManager
- FtpPasive = "0"
- In HKEY_CURRENT_USER\Software\DownloadManager
- IntegrateNN = "1"
- In HKEY_CURRENT_USER\CLSID\{07999AC3-058B-40BF-984F-69EB1E554CA7}
- Model = "4"
- In HKEY_CURRENT_USER\CLSID\{07999AC3-058B-40BF-984F-69EB1E554CA7}
- Therad = "1"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\MenuExt\Download with IDM
- contexts = "f3"
- In HKEY_CURRENT_USER\Software\DownloadManager\menuExt
- iedownl1_str = "Download with IDM"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\MenuExt\Download all links with IDM
- contexts = "f3"
- In HKEY_CURRENT_USER\Software\DownloadManager\menuExt
- iedownlAll_str = "Download all links with IDM"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\MenuExt\Download FLV video content with IDM
- contexts = "f3"
- In HKEY_CURRENT_USER\Software\DownloadManager\menuExt
- iedownlFLV_str = "Download FLV video content with IDM"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{E0DACC63-037F-46EE-AC02-E4C7B0FBFEB4}
- AppName = "IDMan.exe"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{E0DACC63-037F-46EE-AC02-E4C7B0FBFEB4}
- AppPath = "%User Temp%"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{E0DACC63-037F-46EE-AC02-E4C7B0FBFEB4}
- Policy = "3"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{1902485B-CE75-42C1-BA2D-57E660793D9A}
- AppName = "IEMonitor.exe"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{1902485B-CE75-42C1-BA2D-57E660793D9A}
- AppPath = "%User Temp%"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{1902485B-CE75-42C1-BA2D-57E660793D9A}
- Policy = "3"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Low Rights\DragDrop\{19129CDA-AFC0-4330-99BC-C5A834F89006}
- AppName = "IDMan.exe"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Low Rights\DragDrop\{19129CDA-AFC0-4330-99BC-C5A834F89006}
- AppPath = "%User Temp%"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Low Rights\DragDrop\{19129CDA-AFC0-4330-99BC-C5A834F89006}
- Policy = "3"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer
- DownloadUI = "{7D11E719-FF90-479C-B0D7-96EB43EE55D7}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer
- DownloadUI = "{7D11E719-FF90-479C-B0D7-96EB43EE55D7}"
- In HKEY_CURRENT_USER\Software\DownloadManager
- FSSettingsChecked = "1"
- In HKEY_CURRENT_USER\Software\DownloadManager
- AdvancedIntegration = "0"
- In HKEY_CURRENT_USER\Software\DownloadManager
- mzcc_ext_vers = "25f"
- In HKEY_CURRENT_USER\Software\DownloadManager
- intAOFRWE = "1"
- In HKEY_CURRENT_USER\Software\DownloadManager
- IntegrateMIE = "1"
- In HKEY_CURRENT_USER\Software\DownloadManager
- mzcc_vers = "ca5a"
- In HKEY_CURRENT_USER\Software\DownloadManager
- TrayIcon = "1"
Step 6
Search and delete these files
- %User Temp%\IDMan.exe
- %User Temp%\final.exe
- %User Profile%\Scheduler\s_1.dt
- %User Profile%\Application Data\chrtmp
Step 7
Search and delete these folders
- %System Root%\DOCUME~1
- %System Root%\DOCUME~1\ADMINI~1
- %User Profile%\LOCALS~1
- %User Profile%\Application Data\DMCache
- %User Profile%\Application Data\IDM
- %User Profile%\My Documents\Downloads
- %User Profile%\Downloads\Compressed
- %User Profile%\Downloads\Documents
- %User Profile%\Downloads\Music
- %User Profile%\Downloads\Programs
- %User Profile%\Downloads\Video
- %User Profile%\IDM\Grabber
- %User Profile%\Grabber\Projects
- %User Profile%\IDM\Scheduler
Step 8
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_VBKRYPT.CD. 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 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.
- %User Temp%\nsq1.tmp
- %User Profile%\IDM\temp.htm
- %Windows%\SoftwareDistribution\DataStore\Logs\edbtmp.log
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_CURRENT_USER\Software\Microsoft\Internet Explorer\MenuExt
- {random key}
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\MenuExt
- Download with IDMan
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\PROTOCOLS\Name-Space Handler\http
- zzx
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\PROTOCOLS\Name-Space Handler\http
- TDA
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\PROTOCOLS\Name-Space Handler\https
- zzx
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\PROTOCOLS\Name-Space Handler\ftp
- zzx
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\PROTOCOLS\Name-Space Handler\ftp
- TDA
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