MD5: 43da5020566f698ccf14b08efb388ad8
SHA1: e06668e09a3e448b8c5a85a57c7f4894b5d073ba
SHA256: 617de30c2bafca6898a0e411ef80809c25337034d9c057ba5a6720ec61820a9f
SSDeep: 24576:/Kz4vb6KXppsab4BS8SJPiE5ZVg3y7hvcOtD5JrUf9G92CTZCV :/KcjzXz1UqFZVgSpcytJgf9GJTUV
Size: 1306624 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2014-10-31 05:28:47
Analyzed on: Windows7 SP1 32-bit

Summary:

Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

KfNa.exe:2928
EHFWYW~1.EXE:1904
%original file name%.exe:1760

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

RegSvcs.exe:1908

Mutexes

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

File activity

The process KfNa.exe:2928 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\eYHbbWeHWbcV.lnk (838 bytes)

The process EHFWYW~1.EXE:1904 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Roaming\XUTFb (139 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\aut7760.tmp (5505 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\IXP000.TMP\XUTFb (1529 bytes)
C:\Users\"%CurrentUserName%"\AppData\Roaming\KfNa.exe (1874 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\IXP000.TMP\KfNa.exe (937 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\IXP000.TMP\KfNa1 (10129 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\aut77A0.tmp (1345 bytes)

The Trojan deletes the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\aut7760.tmp (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\aut77A0.tmp (0 bytes)

The process RegSvcs.exe:1908 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

C:\Windows\Microsoft.NET\Framework\v4.0.30319\.Identifier (68 bytes)

The process %original file name%.exe:1760 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\IXP000.TMP\EHFWYW~1.EXE (21934 bytes)

The Trojan deletes the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\IXP000.TMP\XUTFb (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\IXP000.TMP\KfNa1 (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\IXP000.TMP\KfNa.exe (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\IXP000.TMP\EHFWYW~1.EXE (0 bytes)

Registry activity

The process %original file name%.exe:1760 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:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce]
"wextract_cleanup0" = "rundll32.exe C:\Windows\system32\advpack.dll,DelNodeRunDLL32 C:\Users\"%CurrentUserName%"\AppData\Local\Temp\IXP000.TMP\"

The Trojan deletes the following value(s) in system registry:
The Trojan disables automatic startup of the application by deleting the following autorun value:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce]
"wextract_cleanup0"

Dropped PE files

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

VersionInfo

Company Name: Microsoft Corporation
Product Name: Internet Explorer
Product Version: 11.00.9600.16384
Legal Copyright: (c) Microsoft Corporation. All rights reserved.
Legal Trademarks:
Original Filename: WEXTRACT.EXE .MUI
Internal Name: Wextract
File Version: 11.00.9600.16384 (winblue_rtm.130821-1623)
File Description: Win32 Cabinet Self-Extractor
Comments:
Language: English (United States)

PE Sections

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):

.text

`.rdata

@.data

.rsrc

@.reloc

j.Yf;

r%f;M

j.Xf;

j.Zf;

PSSSSSSh

Gt.Ht$

jk.AEw

Bv.TBv

Av9.jkj

Bv.SCv

kernel32.dll

?#%X.y

GetProcessWindowStation

operator

operand of unlimited repeat could match the empty string

POSIX named classes are supported only within a class

erroffset passed as NULL

POSIX collating elements are not supported

this version of PCRE is compiled without UTF support

PCRE does not support \L, \l, \N{name}, \U, or \u

support for \P, \p, and \X has not been compiled

this version of PCRE is not compiled with Unicode property support

\N is not supported in a class

RegDeleteKeyExW

advapi32.dll

Error text not found (please report)

WSOCK32.dll

VERSION.dll

WINMM.dll

COMCTL32.dll

MPR.dll

InternetCrackUrlW

HttpQueryInfoW

HttpOpenRequestW

HttpSendRequestW

FtpOpenFileW

FtpGetFileSize

InternetOpenUrlW

WININET.dll

PSAPI.DLL

IPHLPAPI.DLL

USERENV.dll

UxTheme.dll

GetProcessHeap

CreatePipe

GetWindowsDirectoryW

KERNEL32.dll

OpenWindowStationW

SetProcessWindowStation

CloseWindowStation

MapVirtualKeyW

EnumChildWindows

EnumWindows

VkKeyScanW

GetKeyState

GetKeyboardState

SetKeyboardState

GetAsyncKeyState

keybd_event

EnumThreadWindows

ExitWindowsEx

UnregisterHotKey

RegisterHotKey

GetKeyboardLayoutNameW

USER32.dll

SetViewportOrgEx

GDI32.dll

COMDLG32.dll

RegOpenKeyExW

RegCloseKey

RegCreateKeyExW

RegEnumKeyExW

RegDeleteKeyW

ADVAPI32.dll

ShellExecuteW

SHFileOperationW

ShellExecuteExW

SHELL32.dll

ole32.dll

OLEAUT32.dll

GetCPInfo

zcÁ

UQ.WP

mI.Us

\.gGL

.FFF<

,.bh9

].Whjj*

<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"><dependency><dependentAssembly><assemblyIdentity type="win32" name="Microsoft.Windows.Common-Controls" version="6.0.0.0" language="*" processorArchitecture="*" publicKeyToken="6595b64144ccf1df"></assemblyIdentity></dependentAssembly></dependency><trustInfo xmlns="urn:schemas-microsoft-com:asm.v3"><security><requestedPrivileges><requestedExecutionLevel level="asInvoker" uiAccess="false"></requestedExecutionLevel></requestedPrivileges></security></trustInfo><compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1"><application><supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}"></supportedOS><supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}"></supportedOS><supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}"></supportedOS><supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}"></supportedOS><supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"></supportedOS></application></compatibility></assembly>

? ?$?(?,?0?4?8?

2 2$2(2,2024282

<#<'< </<

4F4s4

4D4C4R4e4u4

2!2%2)2-2125292=2

01s1

2=22393@3[3

?&?-?4?:?

8Ÿ94:

8!9*919<9

> >$>(>,>

? ?$?(?,?0?

/AutoIt3ExecuteScript

/AutoIt3ExecuteLine

CMDLINE

CMDLINERAW

FTPSETPROXY

GUICTRLRECVMSG

GUICTRLSENDMSG

GUIGETMSG

GUIREGISTERMSG

HOTKEYSET

HTTPSETPROXY

HTTPSETUSERAGENT

ISKEYWORD

MAPKEYS

MSGBOX

REGENUMKEY

SHELLEXECUTE

SHELLEXECUTEWAIT

TCPACCEPT

TCPCLOSESOCKET

TCPCONNECT

TCPLISTEN

TCPNAMETOIP

TCPRECV

TCPSEND

TCPSHUTDOWN

TCPSTARTUP

TRAYGETMSG

UDPBIND

UDPCLOSESOCKET

UDPOPEN

UDPRECV

UDPSEND

UDPSHUTDOWN

UDPSTARTUP

SendKeyDownDelay

SendKeyDelay

TCPTimeout

mscoree.dll

combase.dll

- floating point support not loaded

- CRT not initialized

- Attempt to initialize the CRT more than once.

USER32.DLL

789:;<=>?

APPSKEY

WINDOWSDIR

AUTOITEXE

HOTKEYPRESSED

%s (%d) : ==> %s.:

Line %d:

Line %d (File "%s"):

%s (%d) : ==> %s:

AutoIt script files (*.au3, *.a3x)

*.au3;*.a3x

All files (*.*)

KEYS

Line %d:

\\?\UNC\

04090000

%u.%u.%u.%u

0.0.0.0

Mddddd

"%s" (%d) : ==> %s:

\??\%s

GUI_RUNDEFMSG

AUTOITCALLVARIABLE%d

255.255.255.255

Keyword

AUTOIT.ERROR

Null Object assignment in FOR..IN loop

Incorrect Object type in FOR..IN loop

3, 3, 14, 2

HKEY_LOCAL_MACHINE

HKEY_CLASSES_ROOT

HKEY_CURRENT_CONFIG

HKEY_CURRENT_USER

HKEY_USERS

%d/d/d

C:\Users\"%CurrentUserName%"\AppData\Roaming\KfNa.exe

hXXp://VVV.autoitscript.com/autoit3/

AutoIt3.exe

AutoIt supports the __stdcall (WINAPI) and __cdecl calling conventions. The __stdcall (WINAPI) convention is used by default but __cdecl can be used instead. See the DllCall() documentation for details on changing the calling convention.

Missing operator in expression."Unbalanced brackets in expression.

>"Select" statement is missing "EndSelect" or "Case" statement. "If" statements must have a "Then" keyword. Badly formated Struct statement."Cannot assign values to constants..Cannot make existing variables into constants.9Only Object-type variables allowed in a "With" statement.v"long_ptr", "int_ptr" and "short_ptr" DllCall() types have been deprecated. Use "long*", "int*" and "short*" instead.-Object referenced outside a "With" statement.)Nested "With" statements are not allowed."Variable must be of type "Object".1The requested action with this object has failed.8Variable appears more than once in function declaration.2ReDim array can not be initialized in this manner.1An array variable can not be used in this manner.

Invalid file filter given.*Expected a variable in user function call.1"Do" statement has no matching "Until" statement.2"Until" statement with no matching "Do" statement.#"For" statement is badly formatted.2"Next" statement with no matching "For" statement.N"ExitLoop/ContinueLoop" statements only valid from inside a For/Do/While loop.1"For" statement has no matching "Next" statement.@"Case" statement with no matching "Select"or "Switch" statement.:"EndSelect" statement with no matching "Select" statement.ORecursion level has been exceeded - AutoIt will quit to prevent stack overflow.&Cannot make existing variables static.4Cannot make static variables into regular variables.

3This keyword cannot be used after a "Then" keyword.

0Expected a "=" operator in assignment statement.*Invalid keyword at the start of this line.

Invalid element in a DllStruct.*Unknown option or bad parameter specified.&Unable to load the internet libraries./"Struct" statement has no matching "EndStruct".HUnable to open file, the maximum number of open files has been exceeded.K"ContinueLoop" statement with no matching "While", "Do" or "For" statement.0Incorrect number of parameters in function call.'"ReDim" used without an array variable.>Illegal text at the end of statement (one statement per line).1"If" statement has no matching "EndIf" statement.1"Else" statement with no matching "If" statement.2"EndIf" statement with no matching "If" statement.7Too many "Else" statements for matching "If" statement.3"While" statement has no matching "Wend" statement.4"Wend" statement with no matching "While" statement.%Variable used without being declared.XArray variable has incorrect number of subscripts or subscript dimension range exceeded.#Variable subscript badly formatted.*Subscript used on non-accessible variable.&Too many subscripts used for an array.0Missing subscript dimensions in "Dim" statement.NNo variable given for "Dim", "Local", "Global", "Struct" or "Const" statement.

HCan pass constants by reference only to parameters with "Const" keyword.*Can not initialize a variable with itself.$Incorrect way to use this parameter.:"EndSwitch" statement with no matching "Switch" statement.>"Switch" statement is missing "EndSwitch" or "Case" statement.H"ContinueCase" statement with no matching "Select"or "Switch" statement.

String missing closing quote.!Badly formated variable or macro.*Missing separator character after keyword.

RegSvcs.exe_1908:

.text

0`.data

.idata

?u'<.uP

mgM

Password

127.0.0.1:3360;

ping 192.0.2.2 -n 1 -w %d >nul 2>&1

DEL /s "%s" >nul 2>&1

start /b "" cmd /c del "%%~f0"&exit /b

%c%.8x%s

%s @ %s

%s\%s.exe

%s\%s.%s

%s\%s

%s*.*

"%/28;=#$019:>?

FCONNECT %s:%d HTTP/1.0

Host: %s:%d

%.2d/%.2d/%d %.2d:%.2d:%.2d

%s%s\

shell32.dll

SHFileOperationA

Time: %d

Time:  %d

hXXp://%s%s

GET %s HTTP/1.1

Host: %s

User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; Trident/7.0; rv:11.0) like Gecko

Accept: text/html,application/xhtml xml,application/xml;q=0.9,image/webp,*/*;q=0.8

psapi.dll

kernel32.dll

%s\system32\cmd.exe

mozcrt19.dll

sqlite3.dll

nspr4.dll

plc4.dll

plds4.dll

nssutil3.dll

nss3.dll

softokn3.dll

SOFTWARE\Mozilla\%s\

SOFTWARE\Mozilla\%s\%s\Main

%s\msvcr100.dll

%s\msvcp100.dll

%s\msvcr120.dll

%s\msvcp120.dll

mozutils.dll

mozglue.dll

mozsqlite3.dll

%s\nss3.dll

Mozilla Firefox

%s\Mozilla\Firefox\profiles.ini

%s\Mozilla\Firefox\%s

Mozilla Thunderbird

%s\Thunderbird\profiles.ini

%s\Thunderbird\%s

%s\signons.sqlite

%s\logins.json

PK11_GetInternalKeySlot

sqlite3_open

sqlite3_close

sqlite3_prepare_v2

sqlite3_step

sqlite3_column_text

select * from moz_logins

encryptedPassword

%s\Opera\Opera\wand.dat

%s\Opera\Opera\profile\wand.dat

%s\.purple\accounts.xml

<password>

advapi32.dll

WindowsLive:name=*

POP3 Password

IMAP Password

HTTP User

HTTP Server

HTTP Password

SMTP User

SMTP Server

SMTP Password

%c%c%S

Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676

%S:%S

abe2869f-9b47-4cd9-a358-c22904dba7f7

%s\*.*

index.dat

vaultcli.dll

%s:%s

Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders

%s\Google\Chrome\User Data\Default\Login Data

%s\Chromium\User Data\Default\Login Data

%s\Opera Software\Opera Stable\Login Data

%s\%s.bat

%s /c "%s"

SOFTWARE\Microsoft\Windows\CurrentVersion\Run\

.Identifier

-m "%s"

SOFTWARE\Microsoft\Active Setup\Installed Components\%s

%d:%s%s;

%d:%I64u:%s%s;

%c%llu

6%s%.2d-%.2d-%.4d

[Log Started] - [%.2d/%.2d/%d %.2d:%.2d:%.2d]

[%s] - [%.2d/%.2d/%d %.2d:%.2d:%.2d]

[Ctrl %c]

user32.dll

Secur32.dll

0x%.8X (%d)

%c%.8x%s%s

%c%.8x%s\%s

iphlpapi.dll

GetExtendedTcpTable

GetExtendedUdpTable

%s:%u

%s:%d

%s (%s)

2017-03-15 10:34:21

&&&&6666????

""""****

2222::::

$$$$\\\\

00006666

####====

RegCloseKey

RegCreateKeyExA

RegDeleteKeyA

RegEnumKeyExA

RegOpenKeyExA

CreatePipe

PeekNamedPipe

EnumWindows

GetKeyNameTextA

GetKeyState

GetKeyboardState

MapVirtualKeyA

keybd_event

ADVAPI32.DLL

CRYPT32.DLL

GDI32.dll

KERNEL32.dll

msvcrt.dll

SHELL32.DLL

USER32.dll

WS2_32.dll

RegSvcs.exe_1908_rwx_00400000_0001F000:

.text

0`.data

.idata

?u'<.uP

mgM

Password

127.0.0.1:3360;

ping 192.0.2.2 -n 1 -w %d >nul 2>&1

DEL /s "%s" >nul 2>&1

start /b "" cmd /c del "%%~f0"&exit /b

%c%.8x%s

%s @ %s

%s\%s.exe

%s\%s.%s

%s\%s

%s*.*

"%/28;=#$019:>?

FCONNECT %s:%d HTTP/1.0

Host: %s:%d

%.2d/%.2d/%d %.2d:%.2d:%.2d

%s%s\

shell32.dll

SHFileOperationA

Time: %d

Time:  %d

hXXp://%s%s

GET %s HTTP/1.1

Host: %s

User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; Trident/7.0; rv:11.0) like Gecko

Accept: text/html,application/xhtml xml,application/xml;q=0.9,image/webp,*/*;q=0.8

psapi.dll

kernel32.dll

%s\system32\cmd.exe

mozcrt19.dll

sqlite3.dll

nspr4.dll

plc4.dll

plds4.dll

nssutil3.dll

nss3.dll

softokn3.dll

SOFTWARE\Mozilla\%s\

SOFTWARE\Mozilla\%s\%s\Main

%s\msvcr100.dll

%s\msvcp100.dll

%s\msvcr120.dll

%s\msvcp120.dll

mozutils.dll

mozglue.dll

mozsqlite3.dll

%s\nss3.dll

Mozilla Firefox

%s\Mozilla\Firefox\profiles.ini

%s\Mozilla\Firefox\%s

Mozilla Thunderbird

%s\Thunderbird\profiles.ini

%s\Thunderbird\%s

%s\signons.sqlite

%s\logins.json

PK11_GetInternalKeySlot

sqlite3_open

sqlite3_close

sqlite3_prepare_v2

sqlite3_step

sqlite3_column_text

select * from moz_logins

encryptedPassword

%s\Opera\Opera\wand.dat

%s\Opera\Opera\profile\wand.dat

%s\.purple\accounts.xml

<password>

advapi32.dll

WindowsLive:name=*

POP3 Password

IMAP Password

HTTP User

HTTP Server

HTTP Password

SMTP User

SMTP Server

SMTP Password

%c%c%S

Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676

%S:%S

abe2869f-9b47-4cd9-a358-c22904dba7f7

%s\*.*

index.dat

vaultcli.dll

%s:%s

Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders

%s\Google\Chrome\User Data\Default\Login Data

%s\Chromium\User Data\Default\Login Data

%s\Opera Software\Opera Stable\Login Data

%s\%s.bat

%s /c "%s"

SOFTWARE\Microsoft\Windows\CurrentVersion\Run\

.Identifier

-m "%s"

SOFTWARE\Microsoft\Active Setup\Installed Components\%s

%d:%s%s;

%d:%I64u:%s%s;

%c%llu

6%s%.2d-%.2d-%.4d

[Log Started] - [%.2d/%.2d/%d %.2d:%.2d:%.2d]

[%s] - [%.2d/%.2d/%d %.2d:%.2d:%.2d]

[Ctrl %c]

user32.dll

Secur32.dll

0x%.8X (%d)

%c%.8x%s%s

%c%.8x%s\%s

iphlpapi.dll

GetExtendedTcpTable

GetExtendedUdpTable

%s:%u

%s:%d

%s (%s)

2017-03-15 10:34:21

&&&&6666????

""""****

2222::::

$$$$\\\\

00006666

####====

RegCloseKey

RegCreateKeyExA

RegDeleteKeyA

RegEnumKeyExA

RegOpenKeyExA

CreatePipe

PeekNamedPipe

EnumWindows

GetKeyNameTextA

GetKeyState

GetKeyboardState

MapVirtualKeyA

keybd_event

ADVAPI32.DLL

CRYPT32.DLL

GDI32.dll

KERNEL32.dll

msvcrt.dll

SHELL32.DLL

USER32.dll

WS2_32.dll

SearchProtocolHost.exe_2504:

.text

`.data

.rsrc

@.reloc

ADVAPI32.dll

ntdll.DLL

KERNEL32.dll

msvcrt.dll

USER32.dll

ole32.dll

OLEAUT32.dll

TQUERY.DLL

MSSHooks.dll

IMM32.dll

SHLWAPI.dll

SrchCollatorCatalogInfo

SrchDSSLogin

SrchDSSPortManager

SrchPHHttp

SrchIndexerQuery

SrchIndexerProperties

SrchIndexerPlugin

SrchIndexerClient

SrchIndexerSchema

Msidle.dll

Failed to get REGKEY_FLTRDMN_MS_TO_IDLE, using default

pfps->psProperty.ulKind is LPWSTR but psProperty.lpwstr is NULL or empty

d:\win7sp1_gdr\enduser\mssearch2\common\utils\crchash.cxx

d:\win7sp1_gdr\enduser\mssearch2\search\search\gather\fltrdmn\fltrdaemon.cxx

d:\win7sp1_gdr\enduser\mssearch2\search\common\include\secutil.hxx

d:\win7sp1_gdr\enduser\mssearch2\common\tracer\tracerhelpers.h

d:\win7sp1_gdr\enduser\mssearch2\common\tracer\mutex.cpp

d:\win7sp1_gdr\enduser\mssearch2\common\include\srchxcpt.hxx

RegDeleteKeyW

RegDeleteKeyExW

8%uiP

Invalid parameter passed to C runtime function.

d:\win7sp1_gdr\enduser\mssearch2\common\tracer\tracersecutil.h

d:\win7sp1_gdr\enduser\mssearch2\common\tracer\tracmain.cpp

-d-d-d-d-d-d-d-%d

d:\win7sp1_gdr\enduser\mssearch2\common\tracer\tracmain.h

</MSG></TRC>

<MSG>

<ERR> 0xx=

<LOC> %s(%d) </LOC>

tid="0x%x"

pid="0x%x"

tagname="%s"

tagid="0x%x"

el="0x%x"

time="d/d/d d:d:d.d"

logname="%s"

d:\win7sp1_gdr\enduser\mssearch2\common\tracer\sysimprs.cxx

SHELL32.dll

PROPSYS.dll

ntdll.dll

RegCloseKey

RegCreateKeyExW

RegOpenKeyExW

RegQueryInfoKeyW

RegEnumKeyExW

ReportEventW

_amsg_exit

MsgWaitForMultipleObjects

SearchProtocolHost.pdb

2 2(20282|2

4%5S5

Software\Microsoft\Windows Search

https

kernel32.dll

msTracer.dll

msfte.dll

lX-X-X-XX-XXXXXX

SOFTWARE\Microsoft\Windows Search

tquery.dll

%s\%s

HKEY_CLASSES_ROOT

HKEY_CURRENT_USER

HKEY_LOCAL_MACHINE

HKEY_USERS

HKEY_PERFORMANCE_DATA

HKEY_DYN_DATA

HKEY_CURRENT_CONFIG

Windows Search Service

<Exception><HR>0xx</HR><eip>%p</eip><module>%S</module><line>%d</line></Exception>

advapi32.dll

WAPI-MS-Win-Core-LocalRegistry-L1-1-0.dll

winhttp.dll

Software\Microsoft\Windows Search\Tracing

Software\Microsoft\Windows Search\Tracing\EventThrottleLastReported

Software\Microsoft\Windows Search\Tracing\EventThrottleState

<MSG>

<LOC> %S(%d) </LOC>

tagname="%S"

logname="%S"

Software\Microsoft\Active Setup\Installed Components\{89820200-ECBD-11CF-8B85-00AA005B4383}

.\%s.mui

.\%s\%s.mui

%s\%s.mui

%s\%s\%s.mui

Microsoft Windows Search Protocol Host

7.00.7601.17610 (win7sp1_gdr.110503-1502)

SearchProtocolHost.exe

Windows

7.00.7601.17610

SearchFilterHost.exe_1776:

.text

`.data

.rsrc

@.reloc

ADVAPI32.dll

ntdll.DLL

KERNEL32.dll

msvcrt.dll

USER32.dll

ole32.dll

OLEAUT32.dll

TQUERY.DLL

IMM32.dll

MSSHooks.dll

mscoree.dll

SHLWAPI.dll

d:\win7sp1_gdr\enduser\mssearch2\search\search\gather\fltrhost\bufstm.cxx

d:\win7sp1_gdr\enduser\mssearch2\common\tracer\mutex.cpp

RegDeleteKeyW

RegDeleteKeyExW

8%uiP

d:\win7sp1_gdr\enduser\mssearch2\common\include\srchxcpt.hxx

Invalid parameter passed to C runtime function.

d:\win7sp1_gdr\enduser\mssearch2\common\tracer\tracersecutil.h

d:\win7sp1_gdr\enduser\mssearch2\common\tracer\tracmain.cpp

-d-d-d-d-d-d-d-%d

d:\win7sp1_gdr\enduser\mssearch2\common\tracer\tracmain.h

d:\win7sp1_gdr\enduser\mssearch2\common\tracer\sysimprs.cxx

RegCloseKey

RegCreateKeyExW

RegOpenKeyExW

RegQueryInfoKeyW

RegEnumKeyExW

ReportEventW

_amsg_exit

SearchFilterHost.pdb

version="5.1.0.0"

name="Microsoft.Windows.Search.MSSFH"

<requestedExecutionLevel

3 3(30383|3

kernel32.dll

Software\Microsoft\Windows Search

SOFTWARE\Microsoft\Windows Search

HKEY_CLASSES_ROOT

HKEY_CURRENT_USER

HKEY_LOCAL_MACHINE

HKEY_USERS

HKEY_PERFORMANCE_DATA

HKEY_DYN_DATA

HKEY_CURRENT_CONFIG

Windows Search Service

tquery.dll

advapi32.dll

API-MS-Win-Core-LocalRegistry-L1-1-0.dll

<Exception><HR>0xx</HR><eip>%p</eip><module>%S</module><line>%d</line></Exception>

Software\Microsoft\Windows Search\Tracing

Software\Microsoft\Windows Search\Tracing\EventThrottleLastReported

Software\Microsoft\Windows Search\Tracing\EventThrottleState

<MSG>

<ERR> 0xx=

<LOC> %S(%d) </LOC>

tid="0x%x"

pid="0x%x"

tagname="%S"

tagid="0x%x"

el="0x%x"

time="d/d/d d:d:d.d"

logname="%S"

</MSG></TRC>

Software\Microsoft\Active Setup\Installed Components\{89820200-ECBD-11CF-8B85-00AA005B4383}

.\%s.mui

.\%s\%s.mui

%s\%s.mui

%s\%s\%s.mui

%s\%s

winhttp.dll

Microsoft Windows Search Filter Host

7.00.7601.17610 (win7sp1_gdr.110503-1502)

SearchFilterHost.exe

Windows

7.00.7601.17610

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):
   

   KfNa.exe:2928
   EHFWYW~1.EXE:1904
   %original file name%.exe:1760

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

   C:\Users\"%CurrentUserName%"\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\eYHbbWeHWbcV.lnk (838 bytes)
   C:\Users\"%CurrentUserName%"\AppData\Roaming\XUTFb (139 bytes)
   C:\Users\"%CurrentUserName%"\AppData\Local\Temp\aut7760.tmp (5505 bytes)
   C:\Users\"%CurrentUserName%"\AppData\Local\Temp\IXP000.TMP\XUTFb (1529 bytes)
   C:\Users\"%CurrentUserName%"\AppData\Roaming\KfNa.exe (1874 bytes)
   C:\Users\"%CurrentUserName%"\AppData\Local\Temp\IXP000.TMP\KfNa.exe (937 bytes)
   C:\Users\"%CurrentUserName%"\AppData\Local\Temp\IXP000.TMP\KfNa1 (10129 bytes)
   C:\Users\"%CurrentUserName%"\AppData\Local\Temp\aut77A0.tmp (1345 bytes)
   C:\Windows\Microsoft.NET\Framework\v4.0.30319\.Identifier (68 bytes)
   C:\Users\"%CurrentUserName%"\AppData\Local\Temp\IXP000.TMP\EHFWYW~1.EXE (21934 bytes)

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

   [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce]
   "wextract_cleanup0" = "rundll32.exe C:\Windows\system32\advpack.dll,DelNodeRunDLL32 C:\Users\"%CurrentUserName%"\AppData\Local\Temp\IXP000.TMP\"

5. Reboot the computer.
   

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