PUA.Win32.CHTAX.A
PLATFORM:
Windows
OVERALL RISK RATING:
DAMAGE POTENTIAL:
DISTRIBUTION POTENTIAL:
REPORTED INFECTION:
INFORMATION EXPOSURE:
Threat Type: Potentially Unwanted Application
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Potentially Unwanted Application 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
File Size:
25,766,480 bytes
File Type:
, EXE
Memory Resident:
No
Arrival Details
This Potentially Unwanted Application 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 Potentially Unwanted Application drops the following files:
- %User Temp%\is-E85E3.tmp\_________V1.4.tmp
- %User Temp%\is-OHJOP.tmp\_isetup\_RegDLL.tmp
- %User Temp%\is-OHJOP.tmp\_isetup\_shfoldr.dll
- %User Temp%\is-OHJOP.tmp\psvince.dll
- %Program Files%\ﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ\unins000.dat
- %Program Files%\ﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ\is-{Random Characters}.tmp
- %Windows%\is-{Random Characters}.tmp
- %Program Files%\ﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ\cert\is-{Random Characters}.tmp
- %Program Files%\ﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ\web\is-{Random Characters}.tmp
- %Common Start Menu%\ﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ\ﾐｶﾔﾘﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ.lnk
- %Common Start Menu%\ﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ\ﾖﾘﾆHINATAX_CRYPTｷﾎ・lnk
- %Desktop%\ﾖﾘﾆHINATAX_CRYPTｷﾎ・lnk
- %Program Files%\ﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ\unins000.dat
- %User Temp%\RarSFX0\__tmp_rar_sfx_access_check_3108834
- %User Temp%\RarSFX0\ie8-kb4486474\update\eula.txt
- %User Temp%\RarSFX0\kb4019276\update\eula.txt
- %User Temp%\RarSFX0\ie\occache.ini
- %User Temp%\RarSFX0\ie\webcheck.ini
- %User Temp%\RarSFX0\start.bat
- %User Temp%\RarSFX0\ie\update\eula.rtf
- %User Temp%\RarSFX0\ie8-kb4486474\update\branches.inf
- %User Temp%\RarSFX0\kb4019276\update\branches.inf
- %User Temp%\RarSFX0\ie\ieuinit.inf
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\ieuinit.inf
- %User Temp%\RarSFX0\ie\update\update.inf
- %User Temp%\RarSFX0\kb4019276\update\update_SP3QFE.inf
- %User Temp%\RarSFX0\ie8-kb4486474\update\update_SP3QFE.inf
- %User Temp%\RarSFX0\kb4019276\update\updatebr.inf
- %User Temp%\RarSFX0\ie8-kb4486474\update\updatebr.inf
- %User Temp%\RarSFX0\ie\extexport.exe
- %User Temp%\RarSFX0\ie\ie4uinit.exe
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\ie4uinit.exe
- %User Temp%\RarSFX0\ie\update\iesetup.exe
- %User Temp%\RarSFX0\ie\ieudinit.exe
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\iexplore.exe
- %User Temp%\RarSFX0\ie\iexplore.exe
- %User Temp%\RarSFX0\ie\msfeedssync.exe
- %User Temp%\RarSFX0\ie\mshta.exe
- %User Temp%\RarSFX0\ie8-kb4486474\spuninst.exe
- %User Temp%\RarSFX0\kb4019276\spuninst.exe
- %User Temp%\RarSFX0\ie\spuninst.exe
- %User Temp%\RarSFX0\ie\spupdsvc.exe
- %User Temp%\RarSFX0\ie8-kb4486474\update.exe
- %User Temp%\RarSFX0\ie8-kb4486474\update\update.exe
- %User Temp%\RarSFX0\kb4019276\update\update.exe
- %User Temp%\RarSFX0\ie\update\update.exe
- %User Temp%\RarSFX0\ie\winfxdocobj.exe
- %User Temp%\RarSFX0\ie\admparse.dll
- %User Temp%\RarSFX0\ie\advpack.dll
- %User Temp%\RarSFX0\ie\browseui.dll
- %User Temp%\RarSFX0\ie\corpol.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\corpol.dll
- %User Temp%\RarSFX0\kb4019276\SP3QFE\dssenh.dll
- %User Temp%\RarSFX0\ie\dxtmsft.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\dxtmsft.dll
- %User Temp%\RarSFX0\ie\dxtrans.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\dxtrans.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\hlink.dll
- %User Temp%\RarSFX0\ie\hmmapi.dll
- %User Temp%\RarSFX0\ie\icardie.dll
- %User Temp%\RarSFX0\ie\support\idndl.dll
- %User Temp%\RarSFX0\ie\ieakeng.dll
- %User Temp%\RarSFX0\ie\ieaksie.dll
- %User Temp%\RarSFX0\ie\ieakui.dll
- %User Temp%\RarSFX0\ie\ieapfltr.dll
- %User Temp%\RarSFX0\ie\iecompat.dll
- %User Temp%\RarSFX0\ie\update\iecustom.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\iedkcs32.dll
- %User Temp%\RarSFX0\ie\iedkcs32.dll
- %User Temp%\RarSFX0\ie\iedvtool.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\iedvtool.dll
- %User Temp%\RarSFX0\ie\ieframe.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\ieframe.dll
- %User Temp%\RarSFX0\ie\iepeers.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\iepeers.dll
- %User Temp%\RarSFX0\ie\ieproxy.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\ieproxy.dll
- %User Temp%\RarSFX0\ie\iernonce.dll
- %User Temp%\RarSFX0\ie\iertutil.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\iertutil.dll
- %User Temp%\RarSFX0\ie\iesetup.dll
- %User Temp%\RarSFX0\ie\ieui.dll
- %User Temp%\RarSFX0\ie\imgutil.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\inetcomm.dll
- %User Temp%\RarSFX0\ie\inseng.dll
- %User Temp%\RarSFX0\ie\jscript.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\jscript.dll
- %User Temp%\RarSFX0\ie\jsdbgui.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\jsdbgui.dll
- %User Temp%\RarSFX0\ie\jsdebuggeride.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\jsprflui.dll
- %User Temp%\RarSFX0\ie\jsprofilercore.dll
- %User Temp%\RarSFX0\ie\jsprofilerui.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\jsprofilerui.dll
- %User Temp%\RarSFX0\ie\jsproxy.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\jsproxy.dll
- %User Temp%\RarSFX0\ie\licmgr10.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\licmgr10.dll
- %User Temp%\RarSFX0\kb4019276\SP3QFE\lsasrv.dll
- %User Temp%\RarSFX0\ie\msdbg2.dll
- %User Temp%\RarSFX0\ie\msfeeds.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\msfeeds.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\msfeedsb.dll
- %User Temp%\RarSFX0\ie\msfeedsbs.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\msfeedsbs.dll
- %User Temp%\RarSFX0\ie\mshtml.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\mshtml.dll
- %User Temp%\RarSFX0\ie\mshtmled.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\mshtmled.dll
- %User Temp%\RarSFX0\ie\mshtmler.dll
- %User Temp%\RarSFX0\ie\msls31.dll
- %User Temp%\RarSFX0\ie\msrating.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\msrating.dll
- %User Temp%\RarSFX0\ie\mstime.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\mstime.dll
- %User Temp%\RarSFX0\ie\support\nlsdl.dll
- %User Temp%\RarSFX0\ie\support\normaliz.dll
- %User Temp%\RarSFX0\ie\occache.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\occache.dll
- %User Temp%\RarSFX0\ie\pdm.dll
- %User Temp%\RarSFX0\ie\pngfilt.dll
- %User Temp%\RarSFX0\kb4019276\SP3QFE\rsaenh.dll
- %User Temp%\RarSFX0\kb4019276\SP3QFE\schannel.dll
- %User Temp%\RarSFX0\kb4019276\SP3QFE\secur32.dll
- %User Temp%\RarSFX0\ie\shdocvw.dll
- %User Temp%\RarSFX0\ie\shlwapi.dll
- %User Temp%\RarSFX0\ie8-kb4486474\spcustom.dll
- %User Temp%\RarSFX0\ie8-kb4486474\update\spcustom.dll
- %User Temp%\RarSFX0\kb4019276\update\spcustom.dll
- %User Temp%\RarSFX0\ie\spmsg.dll
- %User Temp%\RarSFX0\ie8-kb4486474\spmsg.dll
- %User Temp%\RarSFX0\kb4019276\spmsg.dll
- %User Temp%\RarSFX0\ie\sqmapi.dll
- %User Temp%\RarSFX0\ie\update\sqmapi.dll
- %User Temp%\RarSFX0\ie\update\updspapi.dll
- %User Temp%\RarSFX0\ie8-kb4486474\update\updspapi.dll
- %User Temp%\RarSFX0\ie8-kb4486474\updspapi.dll
- %User Temp%\RarSFX0\kb4019276\update\updspapi.dll
- %User Temp%\RarSFX0\ie\url.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\url.dll
- %User Temp%\RarSFX0\ie\urlmon.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\urlmon.dll
- %User Temp%\RarSFX0\ie\vbscript.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\vbscript.dll
- %User Temp%\RarSFX0\ie\vgx.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\vgx.dll
- %User Temp%\RarSFX0\ie\webcheck.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\webcheck.dll
- %User Temp%\RarSFX0\ie\wininet.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\wininet.dll
- %User Temp%\RarSFX0\ie\support\xmllite.dll
- %User Temp%\RarSFX0\ie\xpshims.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\xpshims.dll
- %User Temp%\RarSFX0\kb4019276\SP3QFE\ksecdd.sys
- %User Temp%\RarSFX0\ie\feeddisc.wav
- %User Temp%\RarSFX0\ie\infobar.wav
- %User Temp%\RarSFX0\ie\navstart.wav
- %User Temp%\RarSFX0\ie\popupblk.wav
- %User Temp%\RarSFX0\ie\inetres.adm
- %User Temp%\RarSFX0\ie\update\ie8.cat
- %User Temp%\RarSFX0\kb4019276\update\KB4019276.CAT
- %User Temp%\RarSFX0\ie8-kb4486474\update\KB4486474-IE8.CAT
- %User Temp%\RarSFX0\ie\inetcpl.cpl
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\inetcpl.cpl
- %User Temp%\RarSFX0\ie\ieapfltr.dat
- %User Temp%\RarSFX0\ie\html.iec
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\html.iec
- %User Temp%\RarSFX0\ie\inetcorp.iem
- %User Temp%\RarSFX0\ie\inetset.iem
- %User Temp%\RarSFX0\ie\install.ins
- %User Temp%\RarSFX0\ie\update\update.exe.manifest
- %User Temp%\RarSFX0\ie\msfeeds.mof
- %User Temp%\RarSFX0\ie\msfeedsbs.mof
- %User Temp%\RarSFX0\ie\admparse.dll.mui
- %User Temp%\RarSFX0\ie\advpack.dll.mui
- %User Temp%\RarSFX0\ie\hmmapi.dll.mui
- %User Temp%\RarSFX0\ie\html.iec.mui
- %User Temp%\RarSFX0\ie\icardie.dll.mui
- %User Temp%\RarSFX0\ie\ie4uinit.exe.mui
- %User Temp%\RarSFX0\ie\ieakeng.dll.mui
- %User Temp%\RarSFX0\ie\ieaksie.dll.mui
- %User Temp%\RarSFX0\ie\ieakui.dll.mui
- %User Temp%\RarSFX0\ie\iedkcs32.dll.mui
- %User Temp%\RarSFX0\ie\iedvtool.dll.mui
- %User Temp%\RarSFX0\ie\ieframe.dll.mui
- %User Temp%\RarSFX0\ie\iepeers.dll.mui
- %User Temp%\RarSFX0\ie\iernonce.dll.mui
- %User Temp%\RarSFX0\ie\iertutil.dll.mui
- %User Temp%\RarSFX0\ie\iesetup.dll.mui
- %User Temp%\RarSFX0\ie\ieudinit.exe.mui
- %User Temp%\RarSFX0\ie\ieui.dll.mui
- %User Temp%\RarSFX0\ie\iexplore.exe.mui
- %User Temp%\RarSFX0\ie\inetcpl.cpl.mui
- %User Temp%\RarSFX0\ie\inseng.dll.mui
- %User Temp%\RarSFX0\ie\jscript.dll.mui
- %User Temp%\RarSFX0\ie\jsdbgui.dll.mui
- %User Temp%\RarSFX0\ie\jsdebuggeride.dll.mui
- %User Temp%\RarSFX0\ie\jsprofilercore.dll.mui
- %User Temp%\RarSFX0\ie\jsprofilerui.dll.mui
- %User Temp%\RarSFX0\ie\licmgr10.dll.mui
- %User Temp%\RarSFX0\ie\msfeedsbs.dll.mui
- %User Temp%\RarSFX0\ie\mshta.exe.mui
- %User Temp%\RarSFX0\ie\mshtml.dll.mui
- %User Temp%\RarSFX0\ie\mshtmler.dll.mui
- %User Temp%\RarSFX0\ie\msrating.dll.mui
- %User Temp%\RarSFX0\ie\occache.dll.mui
- %User Temp%\RarSFX0\ie\urlmon.dll.mui
- %User Temp%\RarSFX0\ie\vbscript.dll.mui
- %User Temp%\RarSFX0\ie\webcheck.dll.mui
- %User Temp%\RarSFX0\ie\winfxdocobj.exe.mui
- %User Temp%\RarSFX0\ie\wininet.dll.mui
- %User Temp%\RarSFX0\ie\support\normidna.nls
- %User Temp%\RarSFX0\ie\support\normnfc.nls
- %User Temp%\RarSFX0\ie\support\normnfd.nls
- %User Temp%\RarSFX0\ie\support\normnfkc.nls
- %User Temp%\RarSFX0\ie\support\normnfkd.nls
- %User Temp%\RarSFX0\ie\tdc.ocx
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\tdc.ocx
- %User Temp%\RarSFX0\ie\ie8props.propdesc
- %User Temp%\RarSFX0\ie\icrav03.rat
- %User Temp%\RarSFX0\ie\ticrf.rat
- %User Temp%\RarSFX0\ie\mshtml.tlb
- %User Temp%\RarSFX0\kb4019276\update\update.ver
- %User Temp%\RarSFX0\ie8-kb4486474\update\update.ver
- %User Temp%\RarSFX0\ie\update\update.ver
- %User Temp%\RarSFX0\ie\ieakmmc.chm
- %User Temp%\RarSFX0\ie\ieeula.chm
- %User Temp%\RarSFX0\ie\iesupp.chm
- %User Temp%\RarSFX0\ie\iexplore.chm
- %Windows%\ie8_main.log
- %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{C0149462-E881-11EC-9ABB-000C29E740D2}.dat
- %User Temp%\~DFF0D6614C3AFA0E15.TMP
- %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\{C0149463-E881-11EC-9ABB-000C29E740D2}.dat
- %User Temp%\~DF5B64D519FE228B4B.TMP
- %User Temp%\CabDA77.tmp
- %User Temp%\TarDA87.tmp
- %AppDataLocalLow%\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico
- %AppDataLocalLow%\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
- %AppDataLocalLow%\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357
- %AppDataLocal%\Microsoft\Windows\Temporary Internet Files\Content.IE5\7KZJEKTK\127_0_0_1[1].txt
- %AppDataLocal%\Microsoft\Windows\Temporary Internet Files\Content.IE5\7KZJEKTK\127_0_0_1[1].htm
- %AppDataLocal%\Microsoft\Windows\Temporary Internet Files\Content.IE5\NVUI4L47\jquery[1].js
- %AppDataLocal%\Microsoft\Windows\Temporary Internet Files\Content.IE5\NVUI4L47\crosCore.min[1].js
- %AppDataLocal%\Microsoft\Windows\History\History.IE5\MSHist012022061020220611\index.dat
- %AppDataLocal%\Microsoft\Windows\Temporary Internet Files\Content.IE5\7KZJEKTK\getVersion589701c0[1].txt
- %AppDataLocal%\Microsoft\Windows\Temporary Internet Files\Content.IE5\BL7GWO8U\getVersion589701c0[1].htm
- %User Temp%\{Random Characters}.TMP
(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(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.. %Common Start Menu% is the start menu folder for all users, which is usually C:\Documents and Settings\All Users\Start Menu on Windows 2000, XP, and Server 2003, or C:\ProgramData\Microsoft\Windows\Start Menu on Windows Vista, 7, and 8.. %Desktop% is the current user's desktop, which is usually C:\Documents and Settings\{User Name}\Desktop on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\Desktop on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %AppDataLocalLow% is the LocalLow Application Data folder, which is usually C:\Users\{user name}\AppData\LocalLow on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
It adds the following processes:
- "%User Temp%\is-E85E3.tmp\_________V1.4.tmp" /SL5="$B093A,25506241,54272,{Malware Filepath}.exe"
- "%Program Files%\ﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ\XPTLSｸ・ﾂ.exe"
- cmd /c ""%User Temp%\RarSFX0\start.bat" "
- %User Temp%\RarSFX0\ie\update\iesetup.exe /passive /norestart /update-no
- "%Program Files%\ﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ\certInportPC.exe"
- %System%\cmd.exe" /C ""%Program Files%\ﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ\createGSService.bat""
- sc create CHINATAX_CRYPT binpath= "%Program Files%\ﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ\CHINATAX.exe" displayname= "CHINATAX USBKEY SEC_CLIENT" depend= Tcpip start= auto
- sc description CHINATAX_CRYPT "ﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ,ﾖｻﾔﾊﾐ敎ｾｻ弡ﾃﾎﾊｵﾄHTTPSｷﾎ｣ﾈ郢釭﨧ﾃｻﾟｹﾘｱﾕｴﾋｷﾎｬﾒﾀﾀｵｴﾋｷﾎﾄｳﾌﾐﾞｷｨﾕｳ｣ﾊｹﾓﾃ｡｣"
- sc start CHINATAX_CRYPT
- %System%\cmd.exe" /C ""%Program Files%\ﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ\createGSSchstasks.bat""
- schtasks /create /f /sc daily /st 03:00 /tn "restart_CHINATAX_CRYPT" /tr "startupGSService.bat" /ru "System" /rl "HIGHEST"
- "%Program Files%\ﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ\GetPCInfo.exe"
- "%Program Files%\Internet Explorer\iexplore.exe" -nohome
- "%Program Files%\Internet Explorer\iexplore.exe" SCODEF:1360 CREDAT:14337
(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(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).. %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)
Autostart Technique
This Potentially Unwanted Application starts the following services:
- Service name: CHINATAX_CRYPT
Display Name: CHINATAX USBKEY SEC_CLIENT
Start Type: SERVICE_AUTOSTART
Binary Pathname: %Program Files%\ﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ\CHINATAX.exe
(Note: %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).)
Other Details
This Potentially Unwanted Application adds the following scheduled tasks:
- Task Name: Restart_CHINATAX_CRYPT
Trigger: Daily at 3:00
Action: startupGSService.bat
SOLUTION
Minimum Scan Engine:
9.800
SSAPI PATTERN File:
2.521.00
SSAPI PATTERN Date:
09 Jun 2022
Step 1
Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.
Step 2
Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.
Step 3
Disable this malware service
[ Learn More ]
- CHINATAX_CRYPT
Step 4
Deleting Scheduled Tasks
The following {Task Name} - {Task to be run} listed should be used in the steps identified below:
- Task Name: Restart_CHINATAX_CRYPT - Task to be run: startupGSService.bat
For Windows 2000, Windows XP, and Windows Server 2003:
- Open the Windows Scheduled Tasks. Click Start>Programs>Accessories>
System Tools>Scheduled Tasks. - Locate each {Task Name} values listed above in the Name column.
- Right-click on the said file(s) with the aforementioned value.
- Click on Properties. In the Run field, check for the listed {Task to be run}.
- If the strings match the list above, delete the task.
For Windows Vista, Windows 7, Windows Server 2008, Windows 8, Windows 8.1, and Windows Server 2012:
- Open the Windows Task Scheduler. To do this:
• On Windows Vista, Windows 7, and Windows Server 2008, click Start, type taskschd.msc in the Search input field, then press Enter.
• On Windows 8, Windows 8.1, and Windows Server 2012, right-click on the lower left corner of the screen, click Run, type taskschd.msc, then press Enter. - In the left panel, click Task Scheduler Library.
- In the upper-middle panel, locate each {Task Name} values listed above in the Name column.
- In the lower-middle panel, click the Actions tab. In the Details column, check for the {Task to be run} string.
- If the said string is found, delete the task.
Step 5
Search and delete this file
[ Learn More ]
There may be some files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result. - %User Temp%\is-E85E3.tmp\_________V1.4.tmp
- %User Temp%\is-OHJOP.tmp\_isetup\_RegDLL.tmp
- %User Temp%\is-OHJOP.tmp\_isetup\_shfoldr.dll
- %User Temp%\is-OHJOP.tmp\psvince.dll
- %Program Files%\ﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ\unins000.dat
- %Program Files%\ﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ\is-{Random Characters}.tmp
- %Windows%\is-{Random Characters}.tmp
- %Program Files%\ﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ\cert\is-{Random Characters}.tmp
- %Program Files%\ﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ\web\is-{Random Characters}.tmp
- %Common Start Menu%\ﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ\ﾐｶﾔﾘﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ.lnk
- %Common Start Menu%\ﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ\ﾖﾘﾆHINATAX_CRYPTｷﾎ・lnk
- %Desktop%\ﾖﾘﾆHINATAX_CRYPTｷﾎ・lnk
- %Program Files%\ﾋｰﾎ､ﾊ鰌ｦﾓﾃｿﾍｻｧｶﾋ\unins000.dat
- %User Temp%\RarSFX0\__tmp_rar_sfx_access_check_3108834
- %User Temp%\RarSFX0\ie8-kb4486474\update\eula.txt
- %User Temp%\RarSFX0\kb4019276\update\eula.txt
- %User Temp%\RarSFX0\ie\occache.ini
- %User Temp%\RarSFX0\ie\webcheck.ini
- %User Temp%\RarSFX0\start.bat
- %User Temp%\RarSFX0\ie\update\eula.rtf
- %User Temp%\RarSFX0\ie8-kb4486474\update\branches.inf
- %User Temp%\RarSFX0\kb4019276\update\branches.inf
- %User Temp%\RarSFX0\ie\ieuinit.inf
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\ieuinit.inf
- %User Temp%\RarSFX0\ie\update\update.inf
- %User Temp%\RarSFX0\kb4019276\update\update_SP3QFE.inf
- %User Temp%\RarSFX0\ie8-kb4486474\update\update_SP3QFE.inf
- %User Temp%\RarSFX0\kb4019276\update\updatebr.inf
- %User Temp%\RarSFX0\ie8-kb4486474\update\updatebr.inf
- %User Temp%\RarSFX0\ie\extexport.exe
- %User Temp%\RarSFX0\ie\ie4uinit.exe
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\ie4uinit.exe
- %User Temp%\RarSFX0\ie\update\iesetup.exe
- %User Temp%\RarSFX0\ie\ieudinit.exe
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\iexplore.exe
- %User Temp%\RarSFX0\ie\iexplore.exe
- %User Temp%\RarSFX0\ie\msfeedssync.exe
- %User Temp%\RarSFX0\ie\mshta.exe
- %User Temp%\RarSFX0\ie8-kb4486474\spuninst.exe
- %User Temp%\RarSFX0\kb4019276\spuninst.exe
- %User Temp%\RarSFX0\ie\spuninst.exe
- %User Temp%\RarSFX0\ie\spupdsvc.exe
- %User Temp%\RarSFX0\ie8-kb4486474\update.exe
- %User Temp%\RarSFX0\ie8-kb4486474\update\update.exe
- %User Temp%\RarSFX0\kb4019276\update\update.exe
- %User Temp%\RarSFX0\ie\update\update.exe
- %User Temp%\RarSFX0\ie\winfxdocobj.exe
- %User Temp%\RarSFX0\ie\admparse.dll
- %User Temp%\RarSFX0\ie\advpack.dll
- %User Temp%\RarSFX0\ie\browseui.dll
- %User Temp%\RarSFX0\ie\corpol.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\corpol.dll
- %User Temp%\RarSFX0\kb4019276\SP3QFE\dssenh.dll
- %User Temp%\RarSFX0\ie\dxtmsft.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\dxtmsft.dll
- %User Temp%\RarSFX0\ie\dxtrans.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\dxtrans.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\hlink.dll
- %User Temp%\RarSFX0\ie\hmmapi.dll
- %User Temp%\RarSFX0\ie\icardie.dll
- %User Temp%\RarSFX0\ie\support\idndl.dll
- %User Temp%\RarSFX0\ie\ieakeng.dll
- %User Temp%\RarSFX0\ie\ieaksie.dll
- %User Temp%\RarSFX0\ie\ieakui.dll
- %User Temp%\RarSFX0\ie\ieapfltr.dll
- %User Temp%\RarSFX0\ie\iecompat.dll
- %User Temp%\RarSFX0\ie\update\iecustom.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\iedkcs32.dll
- %User Temp%\RarSFX0\ie\iedkcs32.dll
- %User Temp%\RarSFX0\ie\iedvtool.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\iedvtool.dll
- %User Temp%\RarSFX0\ie\ieframe.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\ieframe.dll
- %User Temp%\RarSFX0\ie\iepeers.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\iepeers.dll
- %User Temp%\RarSFX0\ie\ieproxy.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\ieproxy.dll
- %User Temp%\RarSFX0\ie\iernonce.dll
- %User Temp%\RarSFX0\ie\iertutil.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\iertutil.dll
- %User Temp%\RarSFX0\ie\iesetup.dll
- %User Temp%\RarSFX0\ie\ieui.dll
- %User Temp%\RarSFX0\ie\imgutil.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\inetcomm.dll
- %User Temp%\RarSFX0\ie\inseng.dll
- %User Temp%\RarSFX0\ie\jscript.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\jscript.dll
- %User Temp%\RarSFX0\ie\jsdbgui.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\jsdbgui.dll
- %User Temp%\RarSFX0\ie\jsdebuggeride.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\jsprflui.dll
- %User Temp%\RarSFX0\ie\jsprofilercore.dll
- %User Temp%\RarSFX0\ie\jsprofilerui.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\jsprofilerui.dll
- %User Temp%\RarSFX0\ie\jsproxy.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\jsproxy.dll
- %User Temp%\RarSFX0\ie\licmgr10.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\licmgr10.dll
- %User Temp%\RarSFX0\kb4019276\SP3QFE\lsasrv.dll
- %User Temp%\RarSFX0\ie\msdbg2.dll
- %User Temp%\RarSFX0\ie\msfeeds.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\msfeeds.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\msfeedsb.dll
- %User Temp%\RarSFX0\ie\msfeedsbs.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\msfeedsbs.dll
- %User Temp%\RarSFX0\ie\mshtml.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\mshtml.dll
- %User Temp%\RarSFX0\ie\mshtmled.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\mshtmled.dll
- %User Temp%\RarSFX0\ie\mshtmler.dll
- %User Temp%\RarSFX0\ie\msls31.dll
- %User Temp%\RarSFX0\ie\msrating.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\msrating.dll
- %User Temp%\RarSFX0\ie\mstime.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\mstime.dll
- %User Temp%\RarSFX0\ie\support\nlsdl.dll
- %User Temp%\RarSFX0\ie\support\normaliz.dll
- %User Temp%\RarSFX0\ie\occache.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\occache.dll
- %User Temp%\RarSFX0\ie\pdm.dll
- %User Temp%\RarSFX0\ie\pngfilt.dll
- %User Temp%\RarSFX0\kb4019276\SP3QFE\rsaenh.dll
- %User Temp%\RarSFX0\kb4019276\SP3QFE\schannel.dll
- %User Temp%\RarSFX0\kb4019276\SP3QFE\secur32.dll
- %User Temp%\RarSFX0\ie\shdocvw.dll
- %User Temp%\RarSFX0\ie\shlwapi.dll
- %User Temp%\RarSFX0\ie8-kb4486474\spcustom.dll
- %User Temp%\RarSFX0\ie8-kb4486474\update\spcustom.dll
- %User Temp%\RarSFX0\kb4019276\update\spcustom.dll
- %User Temp%\RarSFX0\ie\spmsg.dll
- %User Temp%\RarSFX0\ie8-kb4486474\spmsg.dll
- %User Temp%\RarSFX0\kb4019276\spmsg.dll
- %User Temp%\RarSFX0\ie\sqmapi.dll
- %User Temp%\RarSFX0\ie\update\sqmapi.dll
- %User Temp%\RarSFX0\ie\update\updspapi.dll
- %User Temp%\RarSFX0\ie8-kb4486474\update\updspapi.dll
- %User Temp%\RarSFX0\ie8-kb4486474\updspapi.dll
- %User Temp%\RarSFX0\kb4019276\update\updspapi.dll
- %User Temp%\RarSFX0\ie\url.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\url.dll
- %User Temp%\RarSFX0\ie\urlmon.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\urlmon.dll
- %User Temp%\RarSFX0\ie\vbscript.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\vbscript.dll
- %User Temp%\RarSFX0\ie\vgx.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\vgx.dll
- %User Temp%\RarSFX0\ie\webcheck.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\webcheck.dll
- %User Temp%\RarSFX0\ie\wininet.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\wininet.dll
- %User Temp%\RarSFX0\ie\support\xmllite.dll
- %User Temp%\RarSFX0\ie\xpshims.dll
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\xpshims.dll
- %User Temp%\RarSFX0\kb4019276\SP3QFE\ksecdd.sys
- %User Temp%\RarSFX0\ie\feeddisc.wav
- %User Temp%\RarSFX0\ie\infobar.wav
- %User Temp%\RarSFX0\ie\navstart.wav
- %User Temp%\RarSFX0\ie\popupblk.wav
- %User Temp%\RarSFX0\ie\inetres.adm
- %User Temp%\RarSFX0\ie\update\ie8.cat
- %User Temp%\RarSFX0\kb4019276\update\KB4019276.CAT
- %User Temp%\RarSFX0\ie8-kb4486474\update\KB4486474-IE8.CAT
- %User Temp%\RarSFX0\ie\inetcpl.cpl
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\inetcpl.cpl
- %User Temp%\RarSFX0\ie\ieapfltr.dat
- %User Temp%\RarSFX0\ie\html.iec
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\html.iec
- %User Temp%\RarSFX0\ie\inetcorp.iem
- %User Temp%\RarSFX0\ie\inetset.iem
- %User Temp%\RarSFX0\ie\install.ins
- %User Temp%\RarSFX0\ie\update\update.exe.manifest
- %User Temp%\RarSFX0\ie\msfeeds.mof
- %User Temp%\RarSFX0\ie\msfeedsbs.mof
- %User Temp%\RarSFX0\ie\admparse.dll.mui
- %User Temp%\RarSFX0\ie\advpack.dll.mui
- %User Temp%\RarSFX0\ie\hmmapi.dll.mui
- %User Temp%\RarSFX0\ie\html.iec.mui
- %User Temp%\RarSFX0\ie\icardie.dll.mui
- %User Temp%\RarSFX0\ie\ie4uinit.exe.mui
- %User Temp%\RarSFX0\ie\ieakeng.dll.mui
- %User Temp%\RarSFX0\ie\ieaksie.dll.mui
- %User Temp%\RarSFX0\ie\ieakui.dll.mui
- %User Temp%\RarSFX0\ie\iedkcs32.dll.mui
- %User Temp%\RarSFX0\ie\iedvtool.dll.mui
- %User Temp%\RarSFX0\ie\ieframe.dll.mui
- %User Temp%\RarSFX0\ie\iepeers.dll.mui
- %User Temp%\RarSFX0\ie\iernonce.dll.mui
- %User Temp%\RarSFX0\ie\iertutil.dll.mui
- %User Temp%\RarSFX0\ie\iesetup.dll.mui
- %User Temp%\RarSFX0\ie\ieudinit.exe.mui
- %User Temp%\RarSFX0\ie\ieui.dll.mui
- %User Temp%\RarSFX0\ie\iexplore.exe.mui
- %User Temp%\RarSFX0\ie\inetcpl.cpl.mui
- %User Temp%\RarSFX0\ie\inseng.dll.mui
- %User Temp%\RarSFX0\ie\jscript.dll.mui
- %User Temp%\RarSFX0\ie\jsdbgui.dll.mui
- %User Temp%\RarSFX0\ie\jsdebuggeride.dll.mui
- %User Temp%\RarSFX0\ie\jsprofilercore.dll.mui
- %User Temp%\RarSFX0\ie\jsprofilerui.dll.mui
- %User Temp%\RarSFX0\ie\licmgr10.dll.mui
- %User Temp%\RarSFX0\ie\msfeedsbs.dll.mui
- %User Temp%\RarSFX0\ie\mshta.exe.mui
- %User Temp%\RarSFX0\ie\mshtml.dll.mui
- %User Temp%\RarSFX0\ie\mshtmler.dll.mui
- %User Temp%\RarSFX0\ie\msrating.dll.mui
- %User Temp%\RarSFX0\ie\occache.dll.mui
- %User Temp%\RarSFX0\ie\urlmon.dll.mui
- %User Temp%\RarSFX0\ie\vbscript.dll.mui
- %User Temp%\RarSFX0\ie\webcheck.dll.mui
- %User Temp%\RarSFX0\ie\winfxdocobj.exe.mui
- %User Temp%\RarSFX0\ie\wininet.dll.mui
- %User Temp%\RarSFX0\ie\support\normidna.nls
- %User Temp%\RarSFX0\ie\support\normnfc.nls
- %User Temp%\RarSFX0\ie\support\normnfd.nls
- %User Temp%\RarSFX0\ie\support\normnfkc.nls
- %User Temp%\RarSFX0\ie\support\normnfkd.nls
- %User Temp%\RarSFX0\ie\tdc.ocx
- %User Temp%\RarSFX0\ie8-kb4486474\SP3QFE\tdc.ocx
- %User Temp%\RarSFX0\ie\ie8props.propdesc
- %User Temp%\RarSFX0\ie\icrav03.rat
- %User Temp%\RarSFX0\ie\ticrf.rat
- %User Temp%\RarSFX0\ie\mshtml.tlb
- %User Temp%\RarSFX0\kb4019276\update\update.ver
- %User Temp%\RarSFX0\ie8-kb4486474\update\update.ver
- %User Temp%\RarSFX0\ie\update\update.ver
- %User Temp%\RarSFX0\ie\ieakmmc.chm
- %User Temp%\RarSFX0\ie\ieeula.chm
- %User Temp%\RarSFX0\ie\iesupp.chm
- %User Temp%\RarSFX0\ie\iexplore.chm
- %Windows%\ie8_main.log
- %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{C0149462-E881-11EC-9ABB-000C29E740D2}.dat
- %User Temp%\~DFF0D6614C3AFA0E15.TMP
- %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\{C0149463-E881-11EC-9ABB-000C29E740D2}.dat
- %User Temp%\~DF5B64D519FE228B4B.TMP
- %User Temp%\CabDA77.tmp
- %User Temp%\TarDA87.tmp
- %AppDataLocalLow%\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico
- %AppDataLocalLow%\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
- %AppDataLocalLow%\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357
- %AppDataLocal%\Microsoft\Windows\Temporary Internet Files\Content.IE5\7KZJEKTK\127_0_0_1[1].txt
- %AppDataLocal%\Microsoft\Windows\Temporary Internet Files\Content.IE5\7KZJEKTK\127_0_0_1[1].htm
- %AppDataLocal%\Microsoft\Windows\Temporary Internet Files\Content.IE5\NVUI4L47\jquery[1].js
- %AppDataLocal%\Microsoft\Windows\Temporary Internet Files\Content.IE5\NVUI4L47\crosCore.min[1].js
- %AppDataLocal%\Microsoft\Windows\History\History.IE5\MSHist012022061020220611\index.dat
- %AppDataLocal%\Microsoft\Windows\Temporary Internet Files\Content.IE5\7KZJEKTK\getVersion589701c0[1].txt
- %AppDataLocal%\Microsoft\Windows\Temporary Internet Files\Content.IE5\BL7GWO8U\getVersion589701c0[1].htm
- %User Temp%\{Random Characters}.TMP
Step 6
Scan your computer with your Trend Micro product to delete files detected as PUA.Win32.CHTAX.A. 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 the following Trend Micro Support pages for more information:
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