Gen.Variant.Zusy.194425_0f68c3d181

by malwarelabrobot on October 27th, 2016 in Malware Descriptions.

HEUR:Trojan.Win32.Generic (Kaspersky), Gen:Variant.Zusy.194425 (B) (Emsisoft), Gen:Variant.Zusy.194425 (AdAware), Backdoor.Win32.Xtrat.FD, GenericAutorunWorm.YR, GenericInjector.YR (Lavasoft MAS)
Behaviour: Trojan, Backdoor, Worm, WormAutorun


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: 0f68c3d181c9497ba2a7c3e989947087
SHA1: 987b391c8142a06561616427b2cc0ca3a4d92e13
SHA256: bcecacd1b21332db27eb158c3bfb21e2a2c61d6f8291e3f99e20f24bdb5e82d7
SSDeep: 6144:qP5XjCmF47WcDcb6fNvVzE2 BiashvBUSfqzTNoD:bIe1vRE2sNSCzU
Size: 318274 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: MicrosoftVisualC, NETexecutable, UPolyXv05_v6
Company: no certificate found
Created at: 1970-01-01 03:00:00
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

Behaviour Description
WormAutorun A worm can spread via removable drives. It writes its executable and creates "autorun.inf" scripts on all removable drives. The autorun script will execute the Trojan's file once a user opens a drive's folder in Windows Explorer.


Process activity

The Trojan creates the following process(es):

%original file name%.exe:888

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

dllhost.exe:1876
svchost.exe:2428

Mutexes

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

File activity

The process dllhost.exe:1876 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

%Program Files%\Windows Defender\MpClient.exe (1425 bytes)

Registry activity

The process dllhost.exe:1876 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

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

[HKLM\SOFTWARE\Microsoft\Tracing\dllhost_RASMANCS]
"ConsoleTracingMask" = "4294901760"

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

[HKLM\SOFTWARE\Microsoft\Tracing\dllhost_RASMANCS]
"MaxFileSize" = "1048576"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E549E976-C5F2-4E77-819D-55BC9B7C25BC}]
"WpadDecisionTime" = "B0 29 8B 3D 82 2F D2 01"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\00-50-56-e0-73-f1]
"WpadDecision" = "0"
"WpadDecisionReason" = "1"

[HKLM\SOFTWARE\Microsoft\Tracing\dllhost_RASAPI32]
"FileDirectory" = "%windir%\tracing"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\00-50-56-e0-73-f1]
"WpadDecisionTime" = "40 F6 1E 5A 7C 28 D2 01"

[HKLM\SOFTWARE\Microsoft\Tracing\dllhost_RASAPI32]
"ConsoleTracingMask" = "4294901760"

[HKCU\Software\xqfVtg1iG]
"ServerName" = "%Program Files%\Windows Defender\MpClient.exe"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E549E976-C5F2-4E77-819D-55BC9B7C25BC}]
"WpadDecision" = "3"

[HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\{17YJ5785-0OL1-CK4I-CQ65-6V4118N0FF6Y}]
"StubPath" = "%Program Files%\Windows Defender\MpClient.exe restart"

[HKLM\SOFTWARE\Microsoft\Tracing\dllhost_RASMANCS]
"EnableFileTracing" = "0"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad]
"WpadLastNetwork" = "{E549E976-C5F2-4E77-819D-55BC9B7C25BC}"

[HKLM\SOFTWARE\Microsoft\Tracing\dllhost_RASAPI32]
"MaxFileSize" = "1048576"

[HKLM\SOFTWARE\Microsoft\Tracing\dllhost_RASMANCS]
"FileTracingMask" = "4294901760"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E549E976-C5F2-4E77-819D-55BC9B7C25BC}]
"WpadNetworkName" = "Network 2"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "46 00 00 00 3B 00 00 00 09 00 00 00 00 00 00 00"

[HKLM\SOFTWARE\Microsoft\Tracing\dllhost_RASMANCS]
"FileDirectory" = "%windir%\tracing"

[HKCU\Software\xqfVtg1iG]
"ServerStarted" = "26/10/2016 15:12:25"

[HKLM\SOFTWARE\Microsoft\Tracing\dllhost_RASAPI32]
"FileTracingMask" = "4294901760"

[HKLM\SOFTWARE\Microsoft\Tracing\dllhost_RASMANCS]
"EnableConsoleTracing" = "0"

[HKLM\SOFTWARE\Microsoft\Tracing\dllhost_RASAPI32]
"EnableFileTracing" = "0"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"DefaultConnectionSettings" = "46 00 00 00 0C 00 00 00 09 00 00 00 00 00 00 00"

[HKLM\SOFTWARE\Microsoft\Tracing\dllhost_RASAPI32]
"EnableConsoleTracing" = "0"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E549E976-C5F2-4E77-819D-55BC9B7C25BC}]
"WpadDecisionReason" = "1"

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]
"Microsoft Copyright ©" = "%Program Files%\Windows Defender\MpClient.exe"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"Microsoft Copyright ©" = "%Program Files%\Windows Defender\MpClient.exe"

Proxy settings are disabled:

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

The Trojan deletes the following registry key(s):

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\00-50-56-e0-73-f1]
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E549E976-C5F2-4E77-819D-55BC9B7C25BC}\00-50-56-e0-73-f1]
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E549E976-C5F2-4E77-819D-55BC9B7C25BC}]

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass"

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

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

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName"

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

The process %original file name%.exe:888 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKCU\Software\XtremeRAT]
"Mutex" = "xqfVtg1iG"

Dropped PE files

There are no dropped PE files.

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

A worm can spread via removable drives. It writes its executable and creates "autorun.inf" scripts on all removable drives. The autorun script will execute the Trojan's file once a user opens a drive's folder in Windows Explorer.

VersionInfo

No information is available.

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
.text 8192 257556 258048 5.00925 a1fd8de6ba99c10258ba828c12dd413b
.sdata 270336 488 512 4.60142 ba1a51c546597b8fdcb7d0154e4ab651
.rsrc 278528 12644 12800 2.25513 049ba5055102fc05e102f3a367cfddc9
.reloc 294912 12 512 0.056519 1f67526055deb8caa6ed47bb143999f7

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

URLs

URL IP
dns.msftncsi.com 131.107.255.255


IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

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

svchost.exe_2428:

.text
`.data
.rsrc
@.reloc
msvcrt.dll
API-MS-Win-Core-ProcessThreads-L1-1-0.dll
KERNEL32.dll
NTDLL.DLL
API-MS-Win-Security-Base-L1-1-0.dll
API-MS-WIN-Service-Core-L1-1-0.dll
API-MS-WIN-Service-winsvc-L1-1-0.dll
RPCRT4.dll
ole32.dll
ntdll.dll
_amsg_exit
RegCloseKey
RegOpenKeyExW
GetProcessHeap
svchost.pdb
version="5.1.0.0"
name="Microsoft.Windows.Services.SvcHost"
<description>Host Process for Windows Services</description>
<requestedExecutionLevel
Software\Microsoft\Windows NT\CurrentVersion\Svchost
Software\Microsoft\Windows NT\CurrentVersion\MgdSvchost
\PIPE\
Host Process for Windows Services
6.1.7600.16385 (win7_rtm.090713-1255)
svchost.exe
Windows
Operating System
6.1.7600.16385

svchost.exe_2428_rwx_10000000_0004D000:

`.rsrc
ServerKeyloggerU
789:;<&'()* ,-./12345
%SERVER%
URLMON.DLL
shell32.dll
hXXp://
advapi32.dll
kernel32.dll
mpr.dll
version.dll
comctl32.dll
gdi32.dll
opengl32.dll
user32.dll
wintrust.dll
msimg32.dll
 juXqhu2.iu
KWindows
TServerKeylogger
GetWindowsDirectoryW
RegOpenKeyExW
RegCreateKeyW
RegCloseKey
RegOpenKeyExA
FindExecutableW
ShellExecuteW
SHDeleteKeyW
URLDownloadToCacheFileW
UnhookWindowsHookEx
SetWindowsHookExW
MapVirtualKeyW
GetKeyboardLayout
GetKeyState
GetKeyboardType
GetKeyboardState
FtpPutFileW
FtpSetCurrentDirectoryW
.idata
.rdata
P.reloc
P.rsrc
URLDb
KERNEL32.DLL
ntdll.dll
oleaut32.dll
shlwapi.dll
wininet.dll
x.html
HKEY_CLASSES_ROOT
HKEY_CURRENT_USER
HKEY_LOCAL_MACHINE
HKEY_USERS
HKEY_CURRENT_CONFIG
[Execute]
KeyDelBackspace
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
.html
XtremeKeylogger
Software\Microsoft\Windows\CurrentVersion\Run
.functions
icon=shell32.dll,4
shellexecute=
autorun.inf
\Microsoft\Windows\
ÞFAULTBROWSER%
svchost.exe
otgames.zapto.org
otptrade.zapto.org
MpClient.exe
Windows Defender
dllhost.exe
{17YJ5785-0OL1-CK4I-CQ65-6V4118N0FF6Y}
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
otptr%SERVER%
d3dcsx_43.dll
PTF.ftpserver.com
ftpuser

dllhost.exe_1876:

.text
`.data
.rsrc
@.reloc
KERNEL32.dll
msvcrt.dll
ole32.dll
ntdll.dll
dllhost.pdb
_wcmdln
_amsg_exit
6.1.7600.16385 (win7_rtm.090713-1255)
dllhost.exe
Windows
Operating System
6.1.7600.16385

dllhost.exe_1876_rwx_10000000_0004D000:

`.rsrc
ServerKeyloggerU
789:;<&'()* ,-./12345
%SERVER%
URLMON.DLL
shell32.dll
hXXp://
advapi32.dll
kernel32.dll
mpr.dll
version.dll
comctl32.dll
gdi32.dll
opengl32.dll
user32.dll
wintrust.dll
msimg32.dll
 juXqhu2.iu
KWindows
TServerKeylogger
GetWindowsDirectoryW
RegOpenKeyExW
RegCreateKeyW
RegCloseKey
RegOpenKeyExA
FindExecutableW
ShellExecuteW
SHDeleteKeyW
URLDownloadToCacheFileW
UnhookWindowsHookEx
SetWindowsHookExW
MapVirtualKeyW
GetKeyboardLayout
GetKeyState
GetKeyboardType
GetKeyboardState
FtpPutFileW
FtpSetCurrentDirectoryW
.idata
.rdata
P.reloc
P.rsrc
URLDb
KERNEL32.DLL
ntdll.dll
oleaut32.dll
shlwapi.dll
wininet.dll
x.html
HKEY_CLASSES_ROOT
HKEY_CURRENT_USER
HKEY_LOCAL_MACHINE
HKEY_USERS
HKEY_CURRENT_CONFIG
[Execute]
KeyDelBackspace
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
.html
XtremeKeylogger
Software\Microsoft\Windows\CurrentVersion\Run
.functions
icon=shell32.dll,4
shellexecute=
autorun.inf
\Microsoft\Windows\
ÞFAULTBROWSER%
svchost.exe
otgames.zapto.org
otptrade.zapto.org
MpClient.exe
Windows Defender
dllhost.exe
{17YJ5785-0OL1-CK4I-CQ65-6V4118N0FF6Y}
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
otptr%SERVER%
d3dcsx_43.dll
PTF.ftpserver.com
ftpuser
c:\%original file name%.exe

WMIADAP.EXE_2792:

.text
`.data
.rsrc
@.reloc
ADVAPI32.dll
ntdll.DLL
KERNEL32.dll
USER32.dll
msvcrt.dll
wbemcomn.dll
OLEAUT32.dll
ole32.dll
loadperf.dll
`.bik
PSSSSSSh
WMIADAP.exe
?CloseSubKey@CRegistry@@AAEXXZ
?CreateOpen@CRegistry@@QAEJPAUHKEY__@@PBGPAGKKPAU_SECURITY_ATTRIBUTES@@PAK@Z
?DeleteCurrentKeyValue@CRegistry@@QAEKPAUHKEY__@@PBG@Z
?DeleteCurrentKeyValue@CRegistry@@QAEKPBG@Z
?DeleteKey@CRegistry@@QAEJPAVCHString@@@Z
?GetCurrentBinaryKeyValue@CRegistry@@QAEKPAUHKEY__@@PBGPAEPAK@Z
?GetCurrentBinaryKeyValue@CRegistry@@QAEKPBGAAVCHString@@@Z
?GetCurrentBinaryKeyValue@CRegistry@@QAEKPBGPAEPAK@Z
?GetCurrentKeyValue@CRegistry@@QAEKPAUHKEY__@@PBGAAK@Z
?GetCurrentKeyValue@CRegistry@@QAEKPAUHKEY__@@PBGAAVCHString@@@Z
?GetCurrentKeyValue@CRegistry@@QAEKPAUHKEY__@@PBGAAVCHStringArray@@@Z
?GetCurrentKeyValue@CRegistry@@QAEKPBGAAK@Z
?GetCurrentKeyValue@CRegistry@@QAEKPBGAAVCHString@@@Z
?GetCurrentKeyValue@CRegistry@@QAEKPBGAAVCHStringArray@@@Z
?GetCurrentRawKeyValue@CRegistry@@AAEKPAUHKEY__@@PBGPAXPAK3@Z
?GetCurrentRawSubKeyValue@CRegistry@@AAEKPBGPAXPAK2@Z
?GetCurrentSubKeyCount@CRegistry@@QAEKXZ
?GetCurrentSubKeyName@CRegistry@@QAEKAAVCHString@@@Z
?GetCurrentSubKeyPath@CRegistry@@QAEKAAVCHString@@@Z
?GetCurrentSubKeyValue@CRegistry@@QAEKPBGAAK@Z
?GetCurrentSubKeyValue@CRegistry@@QAEKPBGAAVCHString@@@Z
?GetCurrentSubKeyValue@CRegistry@@QAEKPBGPAXPAK@Z
?GetLongestSubKeySize@CRegistry@@QAEKXZ
?GethKey@CRegistry@@QAEPAUHKEY__@@XZ
?LocateKeyByNameOrValueName@CRegistrySearch@@QAEHPAUHKEY__@@PBG1PAPBGKAAVCHString@@3@Z
?NextSubKey@CRegistry@@QAEKXZ
?Open@CRegistry@@QAEJPAUHKEY__@@PBGK@Z
?OpenAndEnumerateSubKeys@CRegistry@@QAEJPAUHKEY__@@PBGK@Z
?OpenLocalMachineKeyAndReadValue@CRegistry@@QAEJPBG0AAVCHString@@@Z
?OpenSubKey@CRegistry@@AAEKXZ
?RewindSubKeys@CRegistry@@QAEXXZ
?SearchAndBuildList@CRegistrySearch@@QAEHVCHString@@AAVCHPtrArray@@00HPAUHKEY__@@@Z
?SetCurrentKeyValue@CRegistry@@QAEKPAUHKEY__@@PBGAAK@Z
?SetCurrentKeyValue@CRegistry@@QAEKPAUHKEY__@@PBGAAVCHString@@@Z
?SetCurrentKeyValue@CRegistry@@QAEKPAUHKEY__@@PBGAAVCHStringArray@@@Z
?SetCurrentKeyValue@CRegistry@@QAEKPBGAAK@Z
?SetCurrentKeyValue@CRegistry@@QAEKPBGAAVCHString@@@Z
?SetCurrentKeyValue@CRegistry@@QAEKPBGAAVCHStringArray@@@Z
?SetCurrentKeyValueExpand@CRegistry@@QAEKPAUHKEY__@@PBGAAVCHString@@@Z
?myRegCreateKeyEx@CRegistry@@AAEJPAUHKEY__@@PBGKPAGKKQAU_SECURITY_ATTRIBUTES@@PAPAU2@PAK@Z
?myRegDeleteKey@CRegistry@@AAEJPAUHKEY__@@PBG@Z
?myRegDeleteValue@CRegistry@@AAEJPAUHKEY__@@PBG@Z
?myRegEnumKey@CRegistry@@AAEJPAUHKEY__@@KPAGK@Z
?myRegEnumValue@CRegistry@@AAEJPAUHKEY__@@KPAGPAK22PAE2@Z
?myRegOpenKeyEx@CRegistry@@AAEJPAUHKEY__@@PBGKKPAPAU2@@Z
?myRegQueryInfoKey@CRegistry@@AAEJPAUHKEY__@@PAGPAK22222222PAU_FILETIME@@@Z
?myRegQueryValueEx@CRegistry@@AAEJPAUHKEY__@@PBGPAK2PAE2@Z
?myRegSetValueEx@CRegistry@@AAEJPAUHKEY__@@PBGKKPBEK@Z
QSSh0
Invalid parameter passed to C runtime function.
ntdll.dll
RegCloseKey
RegOpenKeyExW
RegCreateKeyExW
RegEnumKeyW
RegDeleteKeyW
RegQueryInfoKeyW
_amsg_exit
_acmdln
?Report@CEventLog@@QAEHGKVCInsertionString@@000000000@Z
WMIADAP.pdb
<assemblyIdentity version="1.0.0.0"
<requestedExecutionLevel level="asInvoker" uiAccess="false"/>
5m6z6
%s_x
%s_x_
Global\WMI_SysEvent_Semaphore_%d
WinMSGWMIADAP
\\.\root\cimv2
WMIADAP Msg window
\\.\root\wmi
PSAPI.DLL
x=%s
Describes all the counters supported via WMI Hi-Performance providers
_new.ini
xx %s%s.ini
xx %s
\\.\ROOT\cimv2:__ClassProviderRegistration.provider="\\\\.\\root\\cimv2:__Win32Provider.Name=\"WmiPerfClass\""
WmiApRes.dll
%s\%s
6.1.7600.16385 (win7_rtm.090713-1255)
wmicookr.dll
Windows
Operating System
6.1.7600.16385

taskhost.exe_2976:

.text
`.data
.rsrc
@.reloc
msvcrt.dll
ole32.dll
OLEAUT32.dll
KERNEL32.dll
NTDLL.DLL
API-MS-Win-Core-LocalRegistry-L1-1-0.dll
API-MS-Win-Core-ProcessThreads-L1-1-0.dll
API-MS-Win-Security-Base-L1-1-0.dll
USER32.dll
RPCRT4.dll
d:\w7rtm\admin\wmi\jobs\ubpmlibs\comtaskhost\comtaskapi.cpp
The likely culprit task is stuck on the same stack with %S.
d:\w7rtm\admin\wmi\jobs\ubpmlibs\closewinapp\closewinapp.cpp
Invalid parameter passed to C runtime function.
taskhost.pdb
_wcmdln
_amsg_exit
InitOnceExecuteOnce
SetProcessShutdownParameters
MsgWaitForMultipleObjects
EnumThreadWindows
EnumWindows
ntdll.dll
GetProcessHeap
CATCH_KNOWN: %S ==> hr=0x%x [%S(),%d,%S]
bStartComTask() --> h=0x%x ret=%d
StopComTask(0x%x) --> ret=%d
SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule
ComTaskMgrWnd(0x%x)::ShutdownTasksWorker()
ComTaskMgrWnd(0x%x)::Shutdown(%ws)
gCleanupSet()::Remove(0x%x)
ComTaskHost(0x%x)::WaitForTaskStartCompletion() --> 0x%x
ComTaskHost(0x%x)::WaitForTaskStartCompletion()
ComTaskHost(0x%x)::%ws() --> ReleaseLifetimeRef(this)
ComTaskHost(0x%x)::StopTaskWorker() --> 0x%x
ComTaskHost(0x%x)::StopTaskWorker()
ComTaskHost(0x%x)::Shutdown()
ComTaskHost(0x%x)::HandleReportingState(0x%x) --> 0x%x
ComTaskHost(0x%x): UbpmReportTaskStatus(0x%x) --> 0x%x
ComTaskHost(0x%x)::StartTaskWorker() --> 0x%x
ITaskHandler::Start(0x%x,"%ws") --> 0x%x
ComTaskHost(0x%x)::StartTaskWorker() --> ITaskHandler(0x%x)::Start(0x%x,"%ws")
ComTaskHost(0x%x)::StartTaskWorker()
ComTaskHost(0x%x)::Stop --> 0x%x
ComTaskHost(0x%x)::Stop - CreateThread failed with 0x%x
StartTaskThread(0x%x) bailed out because of shutdown
ComTaskHost(0x%x)::~ComTaskHost()
ComTaskHost(0x%x)::Start --> 0x%x
ComTaskHost(0x%x)::TaskCompleted() skipped because of shutdown
ComTaskHost(0x%x)::TaskCompleted(0x%x)
ComTaskHost(0x%x)::AddRef -> m_cRef = %d
ComTaskHost(0x%x)::Release -> m_cRef = %d
WinAppTerminator: found wnd 0x%x for pid %d.
WinAppTerminator: forced WM_CLOSE sent to top wnd 0x%x.
WinAppTerminator: EnumThreadWindows failed err=%d.
Host Process for Windows Tasks
6.1.7601.17514 (win7sp1_rtm.101119-1850)
taskhost.exe
Windows
Operating System
6.1.7601.17514


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:888

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

    %Program Files%\Windows Defender\MpClient.exe (1425 bytes)

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

    [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
    "Microsoft Copyright ©" = "%Program Files%\Windows Defender\MpClient.exe"

    [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
    "Microsoft Copyright ©" = "%Program Files%\Windows Defender\MpClient.exe"

  5. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
  6. Find and delete all copies of the worm's file together with "autorun.inf" scripts on removable drives.
  7. Reboot the computer.

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

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