MD5: 6beeebd4f27743ed581f8e074529fcd1
SHA1: 8b58dff95e7d17d8f065bb7086c1a3f0ff027c36
SHA256: 32a7479cbaec42ebc62cc3397355f746dfdbeef9297a315ef0723c70cdafc106
SSDeep: 49152:m8xWWwxacxWLmR5 quyZl22YG0gfIlC7uK9IOmqdwk0cQHGiYYSzSY5voVU7zQY2:hlwxacxmmR8mlcgfAVHOmqdwkLQHHhsQ
Size: 2662400 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6, MicrosoftVisualC, MicrosoftVisualCv50v60MFC, MicrosoftVisualC50, Armadillov171
Company: no certificate found
Created at: 2014-10-26 14:41:38
Analyzed on: WindowsXPESX SP3 32-bit

Summary:

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

Payload

Process activity

The Trojan creates the following process(es):

regsvr32.exe:1272

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

%original file name%.exe:384

Mutexes

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

File activity

The process %original file name%.exe:384 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

%System%\dm.dll (3902 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\4DQJW9YN\xbb[1].txt (21 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\4DQJW9YN\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\WLMVCPYN\2.21[1].txt (1 bytes)
C:\SkinH_EL.dll (88 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\WLMVCPYN\desktop.ini (67 bytes)

Registry activity

The process regsvr32.exe:1272 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "6A 71 34 D3 0E C6 EE A9 FD 7E C8 57 E7 A8 FD A4"

[HKCR\dm.dmsoft\CLSID]
"(Default)" = "{26037A0E-7CBD-4FFF-9C63-56F2D0770214}"

[HKCR\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib]
"(Default)" = "{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}"

[HKCR\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\HELPDIR]
"(Default)" = "%System%\"

[HKCR\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\InprocServer32]
"ThreadingModel" = "Apartment"

[HKCR\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}]
"(Default)" = "dm.dmsoft"

[HKCR\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\FLAGS]
"(Default)" = "0"

[HKCR\dm.dmsoft]
"(Default)" = "dm.dmsoft"

[HKCR\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}]
"(Default)" = "Idmsoft"

[HKCR\dm.dmsoft\CurVer]
"(Default)" = "dm.dmsoft"

[HKCR\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\ProgID]
"(Default)" = "dm.dmsoft"

[HKCR\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32]
"(Default)" = "{00020424-0000-0000-C000-000000000046}"

[HKCR\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid]
"(Default)" = "{00020424-0000-0000-C000-000000000046}"

[HKCR\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\0\win32]
"(Default)" = "%System%\dm.dll"

[HKCR\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0]
"(Default)" = "Dm"

[HKCR\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\InprocServer32]
"(Default)" = "%System%\dm.dll"

[HKCR\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib]
"Version" = "1.0"

The process %original file name%.exe:384 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKCU\Software\Microsoft\Multimedia\DrawDib]
"vga.drv 1024x768x32(BGR 0)" = "31,31,31,31"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKLM\System\CurrentControlSet\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 17 00 00 00 01 00 00 00 00 00 00 00"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F5 43 09 85 0E F8 01 E4 C4 41 39 41 94 4E 1B 18"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MigrateProxy" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"

The Trojan modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "1"

The Trojan modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:

"ProxyBypass" = "1"

Proxy settings are disabled:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

The Trojan modifies IE settings for security zones to map all urls to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"

The Trojan deletes the following value(s) in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"AutoConfigURL"
"ProxyServer"
"ProxyOverride"

Dropped PE files

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

VersionInfo

Company Name:
Product Name: CF??????
Product Version: 10.1.0.0
Legal Copyright: ?????? ????????
Legal Trademarks:
Original Filename:
Internal Name:
File Version: 10.1.0.0
File Description: ?????
Comments: ??????????(http://www.eyuyan.com)
Language: Language Neutral

PE Sections

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Total found: 2
e06851fe782fc88c89803ef8ed15a381
9d26fc4d7c3fafac9e62f6aef7676004

URLs

URL	IP
hxxp://hkvhost919.800cdn.com/xixi/bingwa/2.21.txt
hxxp://hkvhost919.800cdn.com/xbb.txt
hxxp://www.wei117.tk/xbb.txt	113.10.174.178
hxxp://www.wei117.tk/xixi/bingwa/2.21.txt	113.10.174.178

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

ET CURRENT_EVENTS DNS Query to a .tk domain - Likely Hostile
ET POLICY Unsupported/Fake Windows NT Version 5.0
ET CURRENT_EVENTS HTTP Request to a *.tk domain

Traffic

GET /xixi/bingwa/2.21.txt HTTP/1.1

Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*

Referer: hXXp://VVV.wei117.tk/xixi/bingwa/2.21.txt

Accept-Language: zh-cn

User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)

Host: VVV.wei117.tk

Cache-Control: no-cache

HTTP/1.0 200 OK

Content-Type: text/plain

Last-Modified: Sun, 14 Sep 2014 02:10:14 GMT

Accept-Ranges: bytes

ETag: "087345c1cfcf1:0"

Server: Microsoft-IIS/8.0

X-Powered-By: ASP.NET

Date: Sat, 13 Dec 2014 15:20:04 GMT

Content-Length: 1

X-Cache: MISS from test.abc.com

X-Cache-Lookup: MISS from test.abc.com:80

Via: 1.0 test.abc.com (squid/3.0.STABLE20)

Connection: close
1..

GET /xbb.txt HTTP/1.1

Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*

Referer: hXXp://VVV.wei117.tk/xbb.txt

Accept-Language: zh-cn

User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)

Host: VVV.wei117.tk

Cache-Control: no-cache

HTTP/1.0 200 OK

Content-Type: text/plain

Last-Modified: Mon, 20 Oct 2014 14:02:00 GMT

Accept-Ranges: bytes

ETag: "938736b6eeccf1:0"

Server: Microsoft-IIS/8.0

X-Powered-By: ASP.NET

Date: Sat, 13 Dec 2014 15:20:05 GMT

Content-Length: 21

X-Cache: MISS from test.abc.com

X-Cache-Lookup: HIT from test.abc.com:80

Via: 1.0 test.abc.com (squid/3.0.STABLE20)

Connection: close
hXXp://VVV.wei7x8o.tk..

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

.text

`.rdata

@.data

.rsrc

t$(SSh

~%UVW

.tTPV

FTPjK

FtPj;

F.PjRWj

u.WWj

u.VVj

u$SShe

psapi.dll

wininet.dll

SkinH_EL.dll

HttpOpenRequestA

HttpSendRequestA

HttpQueryInfoA

\dm.dll

!!"#$%&'()) 

ll%X`$Y\

%Cr#l$rQ2$d%$

.nu':

M_%UHI=

;<.dJ

Am%Xx

D<\$ %XQ&

dlSQL

M CmD$L

((;|$ #(`

uF.BH:

t4u-4Z}>T

wQ.Bq

.AC:%

J.rE\j

%f; )c=

dE.Nn

TSSWPc.Th`

.xL$d

7z.tu

&%9SD

.VA`D

jY.kl

o8%dV

VGz%FrE

uù u

.BNFq{

-hO}]QV:

456789:;<=

!"#$%&'()* ,-./0123

deflate 1.2.3 C

en executed

p out of range,W %s

I>support g

X:

UxTheme.dll

?HttpCli

%scode,

3,%s,%d

?.PAVCExcepS,(N

' %d.

.1.2600.441~

PSAPI.DLLU%fW

88.185.3

P129.6.15.29

202.120.

\\.\%c

<%s>!

~g%s#$A

[%d]G

./*.bmp

log.tx

32778cpublic.inject.

d8 keypad

ck.ap

.=.minmax

x.cfake`!K

km.prot

hreaD%s

on.Leve

wKeyboard

Scsi%d:

1.2.24

.Fe(H;

: %s6

= (%d/

gx=%f, gy

%ld, pass G

orm.de6

O%dhx%dv qV

D=%u, "

z %4u

%ld%c$HV

 -t.SSSj

MSVCRT

ntoskrnl.exQ

8)939@9|9

%cGpS

.Hs;0E<

#6.BN

PI.DLLK04e

Ä!w

%c-1IY

ÈA/

Ë!b

.FLd{

%DxMr

úC~

.K.kn

.LP.,

;.0%U

n%cp,

.p.lMp

-17x3}hv

n.vg(

.os)H

-.rl2Ql

.NSx#

.QB-N

/i.Kn

.wCdn

&SÓ

2r.Qn

O,0.lmq

appingUWindowsDir

.Increm^

BkÝPtoLP

;Gw.one

ran%s

.PoDAttachnCp

.DJ-?O8

7G#V%F

(.text\

'@.tp0

{43C6DBBB-BEAD-4DFB-B6D2-52C5CDB5B70A} = s 'Dm'

'Dm.EXE'

val AppID = s {43C6DBBB-BEAD-4DFB-B6D2-52C5CDB5B70A}

dm.dmsoft = s 'dm.dmsoft'

CLSID = s '{26037A0E-7CBD-4FFF-9C63-56F2D0770214}'

CurVer = s 'dm.dmsoft'

ForceRemove {26037A0E-7CBD-4FFF-9C63-56F2D0770214} = s 'dm.dmsoft'

ProgID = s 'dm.dmsoft'

stdole2.tlbWWW

~cmdWd

KeyPress

.aKeyDownWd

MKeyUpWWWd

ShowScrMsgWW

msgWd

SetShowErrorMsgW

>SGetWindowStateWW

U@SetWindowSizeWWWd

SetWindowStateWWd

iRSetKeypadDelayWWd

BkeypadWW

SetExportDictWWWd

keyWd

FindWindowSuperW

qHKeyDownCharW

pOkey_strWd

KeyUpCharWWWd

KeyPressChard

KeyPressStrWd

EnableKeypadPatchWWWd

=PEnableKeypadSyncd

EnableRealKeypadd

GetKeyStateWd

[.ReadFiled

WaitKeyW

!key_coded

joEnumWindowSuperW

urlW

=EnableKeypadMsgWd

EnableMouseMsgWWd

method KeyPressWWW

method KeyDown

method KeyUpWW

method ShowScrMsgW

method SetShowErrorMsg

method GetWindowStateW

method SetWindowSizeWW

method SetWindowStateW

method SetKeypadDelayW

method SetExportDictWW

method FindWindowSuper

method KeyDownChar

method KeyUpCharWW

method KeyPressCharWWW

method KeyPressStr

method EnableKeypadPatchWW

method EnableKeypadSyncWWW

method EnableRealKeypadWWW

method GetKeyState

method WaitKey

method EnumWindowSuper

method EnableKeypadMsg

method EnableMouseMsgW

KERNEL32.DLL

ADVAPI32.dll

GDI32.dll

IMM32.dll

MFC42.DLL

MSVCRT.dll

ole32.dll

OLEAUT32.dll

SHELL32.dll

USER32.dll

VERSION.dll

WINMM.dll

WS2_32.dll

RegCloseKey

dm.dll

\dm.dll /s

hXXp://VVV.wei117.tk/xixi/bingwa/2.21.txt

hXXp://VVV.wei117.tk/xbb.txt

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)

http=

HTTP/1.1

Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*

Content-Type: application/x-www-form-urlencoded

hXXp://

%s;7*

0%x@w

%C^L:

%s T5

]E4%F(

.Funr

k%UPp

fg.VG

%C',@

>Ùd

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[I(3/#N0.bd

j"%u=w

q%Xn`

@|H.NI

.wdd!

S|%u4

*.Ea]S

Q.CGo

fTpe

.LLbX

-.Mdl

\-A}=3K

Y:.akpS

$.Zcqn

u.Jck~

zx/%FN[

ce_%D

%C@0H

%s=\RI

}j%c%Y)

Rx.GR

4o#.dM

IeS`%C

[n 4\.UY 

,4.qO,

gQ'.Io

%cLur?

s%DHB

]I%%X

5r.US

:mD].tB

f%fUZ

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*_.dC

&-N}<

({?.cQm

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**.dU

!n]%x

%X,Cr

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/^p%u$

I.NoQY

zu.ew

D/.nT

q.7.qE

W>^T%S

%XiR^

1%SqlnD

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vv#%sY7x

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kEY94

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wN%U/

4.Ky%t

.h.fO

.TK$N

%dRB:W

[I9%f

8o%sx

.WE= T!N

#?%s(C(

Rd.hYp

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,%x)E

R%X4C (

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d,.bw p

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KOz-%c Rd

zkey0

=.Lw/Ch

!c%SGd

A.YA'

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SShXuy@

f.kz"

@o.Ns

i.IK(

9rBÀ

.nm[&

.DDU0

%f$8C

\SkinH_EL.dll

C$%cmb

.ppM|

 aZ.mO

%-^

.hk;~

COMCTL32.dll

MSIMG32.dll

MSVFW32.dll

[email protected]

%*.*f

CNotSupportedException

commctrl_DragListMsg

Afx:%x:%x:%x:%x:%x

Afx:%x:%x

COMCTL32.DLL

CCmdTarget

__MSVCRT_HEAP_SELECT

user32.dll

portuguese-brazilian

iphlpapi.dll

SHLWAPI.dll

MPR.dll

RASAPI32.dll

GetProcessHeap

WinExec

GetWindowsDirectoryA

GetCPInfo

KERNEL32.dll

GetKeyState

GetKeyboardLayout

CreateDialogIndirectParamA

UnhookWindowsHookEx

SetWindowsHookExA

GetViewportOrgEx

SetViewportOrgEx

OffsetViewportOrgEx

SetViewportExtEx

ScaleViewportExtEx

GetViewportExtEx

WINSPOOL.DRV

comdlg32.dll

RegOpenKeyExA

RegCreateKeyExA

ShellExecuteA

WSOCK32.dll

WININET.dll

.PAVCException@@

.PAVCNotSupportedException@@

.PAVCFileException@@

(*.prn)|*.prn|

(*.*)|*.*||

Shell32.dll

Mpr.dll

Advapi32.dll

User32.dll

Gdi32.dll

Kernel32.dll

(&07-034/)7 '

?? / %d]

%d / %d]

: %d]

(*.WAV;*.MID)|*.WAV;*.MID|WAV

(*.WAV)|*.WAV|MIDI

(*.MID)|*.MID|

(*.txt)|*.txt|

(*.JPG;*.BMP;*.GIF;*.ICO;*.CUR)|*.JPG;*.BMP;*.GIF;*.ICO;*.CUR|JPG

(*.JPG)|*.JPG|BMP

(*.BMP)|*.BMP|GIF

(*.GIF)|*.GIF|

(*.ICO)|*.ICO|

(*.CUR)|*.CUR|

%s:%d

windows

out.prn

%d.%d

%d / %d

%d/%d

Bogus message code %d

(%d-%d):

%ld%c

VVV.dywt.com.cn

Service Pack %d

Windows 2003

Windows XP

Windows 2000

Windows NT

Windows ??

Windows Millenium Edition

Windows 98 Second Edition

Windows 98 SP1

Windows 98

Windows 95 OSR2

Windows 95 SP1

Windows 95

Windows CE

Windows

Microsoft Windows Me

Microsoft Windows 98

Microsoft Windows 95

Microsoft Windows 2003

Microsoft Windows XP

Microsoft Windows 2000

Microsoft Windows NT

%s <%s>

Reply-To: %s

From: %s

To: %s

Subject: %s

Date: %s

Cc: %s

%a, %d %b %Y %H:%M:%S

SMTP

.PAVCObject@@

.PAVCSimpleException@@

.PAVCMemoryException@@

.?AVCNotSupportedException@@

.PAVCResourceException@@

.PAVCUserException@@

.?AVCCmdTarget@@

.?AVCCmdUI@@

.?AVCTestCmdUI@@

.PAVCArchiveException@@

zcÁ

VVV.wei117.tk

c:\%original file name%.exe

#include "l.chs\afxres.rc" // Standard components

3, 1227, 0, 0

1, 0, 6, 6

(*.*)

10.1.0.0

(hXXp://VVV.eyuyan.com)

%original file name%.exe_384_rwx_10001000_00039000:

L$(h%f

SSh0j

msctls_hotkey32

TVCLHotKey

THotKey

\skinh.she

}uo,x6l5k%x-l h

9p%s m)t4`#b

e"m?c&y1`Ð<

SetViewportOrgEx

SetViewportExtEx

SetWindowsHookExA

UnhookWindowsHookEx

EnumThreadWindows

EnumChildWindows

`c%US.4/

!#$<#$#=

.text

`.rdata

@.data

.rsrc

@.UPX0

`.UPX1

`.reloc

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):
   

   regsvr32.exe:1272
   

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

   %System%\dm.dll (3902 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\4DQJW9YN\xbb[1].txt (21 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\4DQJW9YN\desktop.ini (67 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\WLMVCPYN\2.21[1].txt (1 bytes)
   C:\SkinH_EL.dll (88 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\WLMVCPYN\desktop.ini (67 bytes)

4. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
   
5. Reboot the computer.
   

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