Gen.Heur.MSIL.Krypt.4_ac6834a521

by malwarelabrobot on March 29th, 2017 in Malware Descriptions.

HEUR:Trojan.Win32.Generic (Kaspersky), Gen:Heur.MSIL.Krypt.4 (B) (Emsisoft), Gen:Heur.MSIL.Krypt.4 (AdAware), Backdoor.Win32.Fynloski.FD, Trojan.Win32.Iconomon.FD, Trojan.Win32.Sasfis.FD, VirTool.Win32.DelfInject.FD, BackdoorFynloski.YR, GenericDownloader.YR, GenericInjector.YR, TrojanDownloaderAndromeda.YR (Lavasoft MAS)
Behaviour: Trojan-Downloader, Trojan, Backdoor, VirTool


The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.

Requires JavaScript enabled!

Summary
Dynamic Analysis
Static Analysis
Network Activity
Map
Strings from Dumps
Removals

MD5: ac6834a521562e37b7c4794c9e1e59ec
SHA1: 1d5e2ddf67a6cfd8473121f5576fdc02da8e7ddc
SHA256: 0f5b7aa27ab723da95baf36ac5781dc923e0f9dc038f070f588c2122de0631e2
SSDeep: 12288:34oBI/3BKJrY/kzsF9ZVdcojCEq9tpyG2:34oK/i/49nCEq9tI
Size: 409600 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: MicrosoftVisualC, NETexecutable, UPolyXv05_v6
Company: no certificate found
Created at: 2017-03-14 01:09:01
Analyzed on: Windows7 SP1 32-bit


Summary:

Trojan-Downloader. Trojan program, which downloads files from the Internet without user's notice and executes them.

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

%original file name%.exe:316

The Trojan injects its code into the following process(es):

vbc.exe:2528

Mutexes

The following mutexes were created/opened:
No objects were found.

File activity

The process vbc.exe:2528 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

C:\ProgramData\Microsoft\Windows\Start Menu\winupdate\winupdate.exe (7547 bytes)

The process %original file name%.exe:316 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

Registry activity

The process vbc.exe:2528 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
To automatically run itself each time Windows is booted, the Trojan adds the following link to its file to the system registry autorun key:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"WinUpdate" = "C:\ProgramData\Microsoft\Windows\Start Menu\winupdate\winupdate.exe"

The Trojan adds the reference to itself to be executed when a user logs on:

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
"UserInit" = "C:\Windows\system32\userinit.exe,C:\ProgramData\Microsoft\Windows\Start Menu\winupdate\winupdate.exe"

The process %original file name%.exe:316 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
To automatically run itself each time Windows is booted, the Trojan adds the following link to its file to the system registry autorun key:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"winupdater" = "/winupdate\winupdate.exe.exe"

Dropped PE files

MD5 File path
34aa912defa18c2c129f1e09d75c1d7e c:\ProgramData\Microsoft\Windows\Start Menu\winupdate\winupdate.exe
34aa912defa18c2c129f1e09d75c1d7e c:\Users\All Users\Microsoft\Windows\Start Menu\winupdate\winupdate.exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

VersionInfo

Company Name: P
Product Name: mm
Product Version: 2.2.20.20
Legal Copyright: mm
Legal Trademarks: nCNAP7adRnKG0W5n0q
Original Filename: ggggggg.exe
Internal Name: ggggggg.exe
File Version: 2.2.20.20
File Description: PP
Comments: PP
Language: Language Neutral

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
.text 8192 395428 397312 5.53695 1261e1649a311c9ed6c3a74d31143015
.rsrc 409600 880 4096 0.626509 bc0631dd3354a682be6298de95a493bb
.reloc 417792 12 4096 0.011373 62114abb324f09a9e43a9fc1de8c99a2

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

URLs

No activity has been detected.

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

Web Traffic was not found.

The Trojan connects to the servers at the folowing location(s):

vbc.exe_2528:

`.rsrc
kernel32.dll
Windows
MSWHEEL_ROLLMSG
MSH_WHEELSUPPORT_MSG
MSH_SCROLL_LINES_MSG
$*@@@*$@@@$ *@@* $@@($*)@-$*@@$-*@@$*-@@(*$)@-*$@@*-$@@*$-@@-* $@-$ *@* $-@$ *-@$ -*@*- $@($ *)(* $)
oleaut32.dll
EVariantBadIndexError
ssShift
htKeyword
EInvalidOperation
%s_%d
EInvalidGraphicOperation
SOFTWARE\Microsoft\Windows NT\CurrentVersion\FontSubstitutes
%s, ClassID: %s
%s, ProgID: "%s"
ole32.dll
USER32.DLL
uxtheme.dll
DWMAPI.DLL
clWebSnow
clWebFloralWhite
clWebLavenderBlush
clWebOldLace
clWebIvory
clWebCornSilk
clWebBeige
clWebAntiqueWhite
clWebWheat
clWebAliceBlue
clWebGhostWhite
clWebLavender
clWebSeashell
clWebLightYellow
clWebPapayaWhip
clWebNavajoWhite
clWebMoccasin
clWebBurlywood
clWebAzure
clWebMintcream
clWebHoneydew
clWebLinen
clWebLemonChiffon
clWebBlanchedAlmond
clWebBisque
clWebPeachPuff
clWebTan
clWebYellow
clWebDarkOrange
clWebRed
clWebDarkRed
clWebMaroon
clWebIndianRed
clWebSalmon
clWebCoral
clWebGold
clWebTomato
clWebCrimson
clWebBrown
clWebChocolate
clWebSandyBrown
clWebLightSalmon
clWebLightCoral
clWebOrange
clWebOrangeRed
clWebFirebrick
clWebSaddleBrown
clWebSienna
clWebPeru
clWebDarkSalmon
clWebRosyBrown
clWebPaleGoldenrod
clWebLightGoldenrodYellow
clWebOlive
clWebForestGreen
clWebGreenYellow
clWebChartreuse
clWebLightGreen
clWebAquamarine
clWebSeaGreen
clWebGoldenRod
clWebKhaki
clWebOliveDrab
clWebGreen
clWebYellowGreen
clWebLawnGreen
clWebPaleGreen
clWebMediumAquamarine
clWebMediumSeaGreen
clWebDarkGoldenRod
clWebDarkKhaki
clWebDarkOliveGreen
clWebDarkgreen
clWebLimeGreen
clWebLime
clWebSpringGreen
clWebMediumSpringGreen
clWebDarkSeaGreen
clWebLightSeaGreen
clWebPaleTurquoise
clWebLightCyan
clWebLightBlue
clWebLightSkyBlue
clWebCornFlowerBlue
clWebDarkBlue
clWebIndigo
clWebMediumTurquoise
clWebTurquoise
clWebCyan
clWebPowderBlue
clWebSkyBlue
clWebRoyalBlue
clWebMediumBlue
clWebMidnightBlue
clWebDarkTurquoise
clWebCadetBlue
clWebDarkCyan
clWebTeal
clWebDeepskyBlue
clWebDodgerBlue
clWebBlue
clWebNavy
clWebDarkViolet
clWebDarkOrchid
clWebMagenta
clWebDarkMagenta
clWebMediumVioletRed
clWebPaleVioletRed
clWebBlueViolet
clWebMediumOrchid
clWebMediumPurple
clWebPurple
clWebDeepPink
clWebLightPink
clWebViolet
clWebOrchid
clWebPlum
clWebThistle
clWebHotPink
clWebPink
clWebLightSteelBlue
clWebMediumSlateBlue
clWebLightSlateGray
clWebWhite
clWebLightgrey
clWebGray
clWebSteelBlue
clWebSlateBlue
clWebSlateGray
clWebWhiteSmoke
clWebSilver
clWebDimGray
clWebMistyRose
clWebDarkSlateBlue
clWebDarkSlategray
clWebGainsboro
clWebDarkGray
clWebBlack
comctl32.dll
AutoHotkeysd-C
AutoHotkeys
\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\
ssHotTrack
TWindowState
poProportional
TWMKey
KeyPreview
WindowState
OnKeyDownL
OnKeyPress
OnKeyUpH
GlassFrame.Bottom
GlassFrame.Enabled
GlassFrame.Left
GlassFrame.Right
GlassFrame.SheetOfGlass
GlassFrame.Top
System\CurrentControlSet\Control\Keyboard Layouts\%.8x
Uh.ID
User32.dll
TKeyEvent
TKeyPressEvent
HelpKeyword nA
crSQLWait
%s (%s)
imm32.dll
TSocketPort
%d.%d.%d.%d
0.0.0.0
PSAPI.dll
TDCWebCam
127.0.0.1
BuildImportTable: can't load library:
BuildImportTable: ReallocMemory failed
BuildImportTable: GetProcAddress failed
BTMemoryLoadLibary: BuildImportTable failed
BTMemoryGetProcAddress: no export table found
BTMemoryGetProcAddress: DLL doesn't export anything
BTMemoryGetProcAddress: exported symbol not found
1.2.3
127.0.0.1:1604
#KCMDDC51#-
5.3.0
cmd.exe
SOFTWARE\Microsoft\Windows\CurrentVersion\Run
hkey
\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
*.torrent
\Internet Explorer\iexplore.exe
explorer.exe
wlanapi.dll
80211_SHARED_KEY
user32.dll
TUploadFTP
notepad.exe
KEYNAME
%ShortCut#
RELATEDCMD
ping 127.0.0.1 -n 4 > NUL && "
DRKey
CRKey
DelMSKey
InstallHKEY
ActiveOnlineKeylogger
UnActiveOnlineKeylogger
KeylogOn
ActiveOfflineKeylogger
UnActiveOfflineKeylogger
ActiveOnlineKeyStrokes
UnActiveOnlineKeyStrokes
OpenWebPage
tmpprint.txt
URLUpdate
MSGBOX
#BOT#VisitUrl
#BOT#OpenUrl
HTTP://
hXXp://
BTRESULTOpen URL|
Command successfully executed!|
#BOT#URLUpdate
BTERRORUpdate from URL| Error on downloading file check if you type the correct url...|
BTRESULTUpdate from URL|Update : File Downloaded , Executing new one in temp dir...|
#BOT#URLDownload
GetActivePorts
out.txt
tmp.txt
DDOSHTTPFLOOD
DDOSUDPFLOOD
%IPPORTSCAN
SAPI.SpVoice
WEBCAMLIVE
WEBCAMSTOP
PASSWORD
FTPFILEUPLOAD
URLDOWNLOADTOFILE
UPLOADEXEC
UPANDEXEC
FTPPORT
FTPPASS
FTPUSER
FTPHOST
FTPROOT
FTPUPLOADK
FTPSIZE
BTRESULTUDP Flood|UDP Flood task finished!|
PortScanAdd
BTRESULTVisit URL|finished to visit
BTERRORVisit URL|An exception occured in the thread|
POST /index.php/1.0
BTRESULTHTTP Flood|Http Flood task finished!|
Mozilla
BTRESULTDownload File|Mass Download : File Downloaded , Executing new one in temp dir...|
BTERRORDownload File| Error on downloading file check if you type the correct url...|
Software\Microsoft\Windows\CurrentVersion\Run
Software\Microsoft\Windows NT\CurrentVersion\Winlogon
ERR|Cannot listen to port, try another one..|
TCaptureWebcam
taskmgr.exe
\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\
DC3_FEXEC
Windows NT 4.0
Windows 2000
Windows XP
Windows Server 2003
Windows Vista
Windows 7
Windows 95
Windows 98
Windows Me
S-%u-
FAKEMSG
MSGICON
MSGTITLE
MSGCORE
deflate 1.2.3 Copyright 1995-2005 Jean-loup Gailly
inflate 1.2.3 Copyright 1995-2005 Mark Adler
DBv}.Bv
UntKeylogger
KWindows
UntActivePorts
UntControlKey
UntCaptureWebcam
UntWebCam
UrlMon
(UntUploadFTPThread
UntFTP
_UntUDPFlood
YUntScanPorts
0UntPasswordAndData
XUntHTTPFlood
UntCPU
WinExec
PeekNamedPipe
GetWindowsDirectoryA
GetProcessHeap
GetCPInfo
CreatePipe
RegQueryInfoKeyA
RegOpenKeyExA
RegOpenKeyA
RegFlushKey
RegEnumKeyExA
RegDeleteKeyA
RegCreateKeyExA
RegCreateKeyA
RegCloseKey
SetViewportOrgEx
GdiplusShutdown
ShellExecuteExA
ShellExecuteA
SHFileOperationA
URLDownloadToFileA
keybd_event
VkKeyScanA
UnhookWindowsHookEx
SetWindowsHookExA
MsgWaitForMultipleObjectsEx
MsgWaitForMultipleObjects
MapVirtualKeyA
LoadKeyboardLayoutA
GetKeyboardState
GetKeyboardLayoutNameA
GetKeyboardLayoutList
GetKeyboardLayout
GetKeyState
GetKeyNameTextA
ExitWindowsEx
EnumWindows
EnumThreadWindows
EnumChildWindows
ActivateKeyboardLayout
GetKeyboardType
InternetOpenUrlA
HttpQueryInfoA
FtpPutFileA
.text
`.itext
`.data
.idata
.rdata
@.reloc
B.rsrc
KERNEL32.DLL
advapi32.dll
AVICAP32.DLL
gdi32.dll
gdiplus.dll
msacm32.dll
netapi32.dll
ntdll.dll
shell32.dll
SHFolder.dll
URLMON.DLL
version.dll
wininet.dll
winmm.dll
WS2_32.DLL
wsock32.dll
66006666
No help found for %s#No context-sensitive help installed
No help found for context$No topic-based help system installedNUnable to retrieve a pointer to a running object registered with OLE for %s/%s
Invalid clipboard format Clipboard does not support Icons
Cannot open clipboard/Menu '%s' is already being used by another form
- Dock zone has no controlLError loading dock zone from the stream. Expecting version %d, but found %d.
OLE error %.8x.Method '%s' not supported by automation object/Variant does not reference an automation object7Dispatch methods do not support more than 64 parameters
Error creating window class Cannot focus a disabled or invisible window!Control '%s' has no parent window
Not enough timers available@GroupIndex cannot be less than a previous menu item's GroupIndex5Cannot create form. No MDI forms are currently active$%s not in a class registration group
Property %s does not exist
Thread creation error: %s
Thread Error: %s (%d)
Unsupported clipboard format
Invalid data type for '%s' List capacity out of bounds (%d)
List count out of bounds (%d)
List index out of bounds (%d) Out of memory while expanding memory stream
Error reading %s%s%s: %s
Failed to create key %s
Failed to get data for '%s'
Failed to set data for '%s'
Resource %s not found
%s.Seek not implemented$Operation not allowed on sorted list
Ancestor for '%s' not found
Cannot assign a %s to a %s
Bits index out of range*Can't write to a read-only resource streamECheckSynchronize called from thread $%x, which is NOT the main thread
Class %s not found
A class named %s already exists%List does not allow duplicates ($0%x)#A component named %s already exists%String list does not allow duplicates
Cannot create file "%s". %s
Cannot open file "%s". %s
Invalid stream format$''%s'' is not a valid component name
External exception %x
Interface not supported
%s (%s, line %d)
Abstract Error?Access violation at address %p in module '%s'. %s of address %p
System Error. Code: %d.
No argument for format '%s'"Variant method calls not supported
Invalid variant operation%Invalid variant operation (%s%.8x)
%s5Could not convert variant of type (%s) into type (%s)=Overflow while converting variant of type (%s) into type (%s)
Operation not supported
Integer overflow Invalid floating point operation
Invalid pointer operation
Invalid class typecast0Access violation at address %p. %s of address %p
Privileged instruction(Exception %s in module %s at %p.
Application Error1Format '%s' invalid or incompatible with argument
!'%s' is not a valid integer value('%s' is not a valid floating point value!'%s' is not a valid date and time
'%s' is not a valid GUID value
I/O error %d
1, 0, 0, 1
MSRSAAP.EXE
4, 0, 0, 0

vbc.exe_2528_rwx_00400000_000C7000:

`.rsrc
kernel32.dll
Windows
MSWHEEL_ROLLMSG
MSH_WHEELSUPPORT_MSG
MSH_SCROLL_LINES_MSG
$*@@@*$@@@$ *@@* $@@($*)@-$*@@$-*@@$*-@@(*$)@-*$@@*-$@@*$-@@-* $@-$ *@* $-@$ *-@$ -*@*- $@($ *)(* $)
oleaut32.dll
EVariantBadIndexError
ssShift
htKeyword
EInvalidOperation
%s_%d
EInvalidGraphicOperation
SOFTWARE\Microsoft\Windows NT\CurrentVersion\FontSubstitutes
%s, ClassID: %s
%s, ProgID: "%s"
ole32.dll
USER32.DLL
uxtheme.dll
DWMAPI.DLL
clWebSnow
clWebFloralWhite
clWebLavenderBlush
clWebOldLace
clWebIvory
clWebCornSilk
clWebBeige
clWebAntiqueWhite
clWebWheat
clWebAliceBlue
clWebGhostWhite
clWebLavender
clWebSeashell
clWebLightYellow
clWebPapayaWhip
clWebNavajoWhite
clWebMoccasin
clWebBurlywood
clWebAzure
clWebMintcream
clWebHoneydew
clWebLinen
clWebLemonChiffon
clWebBlanchedAlmond
clWebBisque
clWebPeachPuff
clWebTan
clWebYellow
clWebDarkOrange
clWebRed
clWebDarkRed
clWebMaroon
clWebIndianRed
clWebSalmon
clWebCoral
clWebGold
clWebTomato
clWebCrimson
clWebBrown
clWebChocolate
clWebSandyBrown
clWebLightSalmon
clWebLightCoral
clWebOrange
clWebOrangeRed
clWebFirebrick
clWebSaddleBrown
clWebSienna
clWebPeru
clWebDarkSalmon
clWebRosyBrown
clWebPaleGoldenrod
clWebLightGoldenrodYellow
clWebOlive
clWebForestGreen
clWebGreenYellow
clWebChartreuse
clWebLightGreen
clWebAquamarine
clWebSeaGreen
clWebGoldenRod
clWebKhaki
clWebOliveDrab
clWebGreen
clWebYellowGreen
clWebLawnGreen
clWebPaleGreen
clWebMediumAquamarine
clWebMediumSeaGreen
clWebDarkGoldenRod
clWebDarkKhaki
clWebDarkOliveGreen
clWebDarkgreen
clWebLimeGreen
clWebLime
clWebSpringGreen
clWebMediumSpringGreen
clWebDarkSeaGreen
clWebLightSeaGreen
clWebPaleTurquoise
clWebLightCyan
clWebLightBlue
clWebLightSkyBlue
clWebCornFlowerBlue
clWebDarkBlue
clWebIndigo
clWebMediumTurquoise
clWebTurquoise
clWebCyan
clWebPowderBlue
clWebSkyBlue
clWebRoyalBlue
clWebMediumBlue
clWebMidnightBlue
clWebDarkTurquoise
clWebCadetBlue
clWebDarkCyan
clWebTeal
clWebDeepskyBlue
clWebDodgerBlue
clWebBlue
clWebNavy
clWebDarkViolet
clWebDarkOrchid
clWebMagenta
clWebDarkMagenta
clWebMediumVioletRed
clWebPaleVioletRed
clWebBlueViolet
clWebMediumOrchid
clWebMediumPurple
clWebPurple
clWebDeepPink
clWebLightPink
clWebViolet
clWebOrchid
clWebPlum
clWebThistle
clWebHotPink
clWebPink
clWebLightSteelBlue
clWebMediumSlateBlue
clWebLightSlateGray
clWebWhite
clWebLightgrey
clWebGray
clWebSteelBlue
clWebSlateBlue
clWebSlateGray
clWebWhiteSmoke
clWebSilver
clWebDimGray
clWebMistyRose
clWebDarkSlateBlue
clWebDarkSlategray
clWebGainsboro
clWebDarkGray
clWebBlack
comctl32.dll
AutoHotkeysd-C
AutoHotkeys
\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\
ssHotTrack
TWindowState
poProportional
TWMKey
KeyPreview
WindowState
OnKeyDownL
OnKeyPress
OnKeyUpH
GlassFrame.Bottom
GlassFrame.Enabled
GlassFrame.Left
GlassFrame.Right
GlassFrame.SheetOfGlass
GlassFrame.Top
System\CurrentControlSet\Control\Keyboard Layouts\%.8x
Uh.ID
User32.dll
TKeyEvent
TKeyPressEvent
HelpKeyword nA
crSQLWait
%s (%s)
imm32.dll
TSocketPort
%d.%d.%d.%d
0.0.0.0
PSAPI.dll
TDCWebCam
127.0.0.1
BuildImportTable: can't load library:
BuildImportTable: ReallocMemory failed
BuildImportTable: GetProcAddress failed
BTMemoryLoadLibary: BuildImportTable failed
BTMemoryGetProcAddress: no export table found
BTMemoryGetProcAddress: DLL doesn't export anything
BTMemoryGetProcAddress: exported symbol not found
1.2.3
127.0.0.1:1604
#KCMDDC51#-
5.3.0
cmd.exe
SOFTWARE\Microsoft\Windows\CurrentVersion\Run
hkey
\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
*.torrent
\Internet Explorer\iexplore.exe
explorer.exe
wlanapi.dll
80211_SHARED_KEY
user32.dll
TUploadFTP
notepad.exe
KEYNAME
%ShortCut#
RELATEDCMD
ping 127.0.0.1 -n 4 > NUL && "
DRKey
CRKey
DelMSKey
InstallHKEY
ActiveOnlineKeylogger
UnActiveOnlineKeylogger
KeylogOn
ActiveOfflineKeylogger
UnActiveOfflineKeylogger
ActiveOnlineKeyStrokes
UnActiveOnlineKeyStrokes
OpenWebPage
tmpprint.txt
URLUpdate
MSGBOX
#BOT#VisitUrl
#BOT#OpenUrl
HTTP://
hXXp://
BTRESULTOpen URL|
Command successfully executed!|
#BOT#URLUpdate
BTERRORUpdate from URL| Error on downloading file check if you type the correct url...|
BTRESULTUpdate from URL|Update : File Downloaded , Executing new one in temp dir...|
#BOT#URLDownload
GetActivePorts
out.txt
tmp.txt
DDOSHTTPFLOOD
DDOSUDPFLOOD
%IPPORTSCAN
SAPI.SpVoice
WEBCAMLIVE
WEBCAMSTOP
PASSWORD
FTPFILEUPLOAD
URLDOWNLOADTOFILE
UPLOADEXEC
UPANDEXEC
FTPPORT
FTPPASS
FTPUSER
FTPHOST
FTPROOT
FTPUPLOADK
FTPSIZE
BTRESULTUDP Flood|UDP Flood task finished!|
PortScanAdd
BTRESULTVisit URL|finished to visit
BTERRORVisit URL|An exception occured in the thread|
POST /index.php/1.0
BTRESULTHTTP Flood|Http Flood task finished!|
Mozilla
BTRESULTDownload File|Mass Download : File Downloaded , Executing new one in temp dir...|
BTERRORDownload File| Error on downloading file check if you type the correct url...|
Software\Microsoft\Windows\CurrentVersion\Run
Software\Microsoft\Windows NT\CurrentVersion\Winlogon
ERR|Cannot listen to port, try another one..|
TCaptureWebcam
taskmgr.exe
\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\
DC3_FEXEC
Windows NT 4.0
Windows 2000
Windows XP
Windows Server 2003
Windows Vista
Windows 7
Windows 95
Windows 98
Windows Me
S-%u-
FAKEMSG
MSGICON
MSGTITLE
MSGCORE
deflate 1.2.3 Copyright 1995-2005 Jean-loup Gailly
inflate 1.2.3 Copyright 1995-2005 Mark Adler
DBv}.Bv
UntKeylogger
KWindows
UntActivePorts
UntControlKey
UntCaptureWebcam
UntWebCam
UrlMon
(UntUploadFTPThread
UntFTP
_UntUDPFlood
YUntScanPorts
0UntPasswordAndData
XUntHTTPFlood
UntCPU
WinExec
PeekNamedPipe
GetWindowsDirectoryA
GetProcessHeap
GetCPInfo
CreatePipe
RegQueryInfoKeyA
RegOpenKeyExA
RegOpenKeyA
RegFlushKey
RegEnumKeyExA
RegDeleteKeyA
RegCreateKeyExA
RegCreateKeyA
RegCloseKey
SetViewportOrgEx
GdiplusShutdown
ShellExecuteExA
ShellExecuteA
SHFileOperationA
URLDownloadToFileA
keybd_event
VkKeyScanA
UnhookWindowsHookEx
SetWindowsHookExA
MsgWaitForMultipleObjectsEx
MsgWaitForMultipleObjects
MapVirtualKeyA
LoadKeyboardLayoutA
GetKeyboardState
GetKeyboardLayoutNameA
GetKeyboardLayoutList
GetKeyboardLayout
GetKeyState
GetKeyNameTextA
ExitWindowsEx
EnumWindows
EnumThreadWindows
EnumChildWindows
ActivateKeyboardLayout
GetKeyboardType
InternetOpenUrlA
HttpQueryInfoA
FtpPutFileA
.text
`.itext
`.data
.idata
.rdata
@.reloc
B.rsrc
KERNEL32.DLL
advapi32.dll
AVICAP32.DLL
gdi32.dll
gdiplus.dll
msacm32.dll
netapi32.dll
ntdll.dll
shell32.dll
SHFolder.dll
URLMON.DLL
version.dll
wininet.dll
winmm.dll
WS2_32.DLL
wsock32.dll
66006666
No help found for %s#No context-sensitive help installed
No help found for context$No topic-based help system installedNUnable to retrieve a pointer to a running object registered with OLE for %s/%s
Invalid clipboard format Clipboard does not support Icons
Cannot open clipboard/Menu '%s' is already being used by another form
- Dock zone has no controlLError loading dock zone from the stream. Expecting version %d, but found %d.
OLE error %.8x.Method '%s' not supported by automation object/Variant does not reference an automation object7Dispatch methods do not support more than 64 parameters
Error creating window class Cannot focus a disabled or invisible window!Control '%s' has no parent window
Not enough timers available@GroupIndex cannot be less than a previous menu item's GroupIndex5Cannot create form. No MDI forms are currently active$%s not in a class registration group
Property %s does not exist
Thread creation error: %s
Thread Error: %s (%d)
Unsupported clipboard format
Invalid data type for '%s' List capacity out of bounds (%d)
List count out of bounds (%d)
List index out of bounds (%d) Out of memory while expanding memory stream
Error reading %s%s%s: %s
Failed to create key %s
Failed to get data for '%s'
Failed to set data for '%s'
Resource %s not found
%s.Seek not implemented$Operation not allowed on sorted list
Ancestor for '%s' not found
Cannot assign a %s to a %s
Bits index out of range*Can't write to a read-only resource streamECheckSynchronize called from thread $%x, which is NOT the main thread
Class %s not found
A class named %s already exists%List does not allow duplicates ($0%x)#A component named %s already exists%String list does not allow duplicates
Cannot create file "%s". %s
Cannot open file "%s". %s
Invalid stream format$''%s'' is not a valid component name
External exception %x
Interface not supported
%s (%s, line %d)
Abstract Error?Access violation at address %p in module '%s'. %s of address %p
System Error. Code: %d.
No argument for format '%s'"Variant method calls not supported
Invalid variant operation%Invalid variant operation (%s%.8x)
%s5Could not convert variant of type (%s) into type (%s)=Overflow while converting variant of type (%s) into type (%s)
Operation not supported
Integer overflow Invalid floating point operation
Invalid pointer operation
Invalid class typecast0Access violation at address %p. %s of address %p
Privileged instruction(Exception %s in module %s at %p.
Application Error1Format '%s' invalid or incompatible with argument
!'%s' is not a valid integer value('%s' is not a valid floating point value!'%s' is not a valid date and time
'%s' is not a valid GUID value
I/O error %d
1, 0, 0, 1
MSRSAAP.EXE
4, 0, 0, 0


Remove it with Ad-Aware

  1. Click (here) to download and install Ad-Aware Free Antivirus.
  2. Update the definition files.
  3. Run a full scan of your computer.


Manual removal*

  1. Terminate malicious process(es) (How to End a Process With the Task Manager):

    %original file name%.exe:316

  2. Delete the original Trojan file.
  3. Delete or disinfect the following files created/modified by the Trojan:

    C:\ProgramData\Microsoft\Windows\Start Menu\winupdate\winupdate.exe (7547 bytes)

  4. Delete the following value(s) in the autorun key (How to Work with System Registry):

    [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
    "WinUpdate" = "C:\ProgramData\Microsoft\Windows\Start Menu\winupdate\winupdate.exe"

    [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
    "winupdater" = "/winupdate\winupdate.exe.exe"

  5. Remove the references to the Trojan by modifying the following registry value(s) (How to Work with System Registry):

    [HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
    "UserInit" = "C:\Windows\system32\userinit.exe,C:\ProgramData\Microsoft\Windows\Start Menu\winupdate\winupdate.exe"

  6. Reboot the computer.

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

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