Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{H9I12RB03-AB-B70-7-11d2-9CBD-0O00FS7AH6-9E2121BHJLK}] 'stubpath' = '<SYSTEM32>\exloroe.exe'
Creates or modifies the following files
- %WINDIR%\system.ini
Infects the following executable files
- C:\far2\far.exe
- %ProgramFiles%\ccleaner\ccleaner.exe
- %ProgramFiles%\ccproxy\ccproxy.exe
- %ProgramFiles%\ccsetmgr\ccsetmgr.exe
- %ProgramFiles%\cemrep\cemrep.exe
- %ProgramFiles%\chrome\chrome.exe
- %ProgramFiles%\clamscan\clamscan.exe
- %ProgramFiles%\clamtray\clamtray.exe
- %ProgramFiles%\clamwin\clamwin.exe
- %CommonProgramFiles%\microsoft shared\smart tag\smarttaginstall.exe
- %ProgramFiles%\ccevtmgr\ccevtmgr.exe
- %ProgramFiles%\ccapp\ccapp.exe
- %ProgramFiles%\cleaner3\cleaner3.exe
- %ProgramFiles%\clisvc\clisvc.exe
- %ProgramFiles%\clrcche\clrcche.exe
- %ProgramFiles%\cmain\cmain.exe
- %ProgramFiles%\cmgrdian\cmgrdian.exe
- %CommonProgramFiles%\microsoft shared\office14\oarpmany.exe
- %CommonProgramFiles%\microsoft shared\office14\office setup controller\odeploy.exe
- %CommonProgramFiles%\microsoft shared\office14\office setup controller\setup.exe
- %ProgramFiles%\claw95\claw95.exe
- %ProgramFiles%\cleaner\cleaner.exe
- %ProgramFiles%\bdwizreg\bdwizreg.exe
- %ProgramFiles%\claw95cf\claw95cf.exe
- %ProgramFiles%\cavemsrv\cavemsrv.exe
- %ProgramFiles%\blackice\blackice.exe
- %ProgramFiles%\blindman\blindman.exe
- %ProgramFiles%\btini\btini.exe
- %ProgramFiles%\btinint\btinint.exe
- %ProgramFiles%\cabalmain\cabalmain.exe
- %ProgramFiles%\cafix\cafix.exe
- %ProgramFiles%\cavapp\cavapp.exe
- %ProgramFiles%\cavasm\cavasm.exe
- %ProgramFiles%\cavumas\cavumas.exe
- %ProgramFiles%\cavvl\cavvl.exe
- %ProgramFiles%\cavuserupd\cavuserupd.exe
- %ProgramFiles%\cavmud\cavmud.exe
- %ProgramFiles%\cavoar\cavoar.exe
- %ProgramFiles%\cavq\cavq.exe
- %ProgramFiles%\cavscons\cavscons.exe
- %ProgramFiles%\cavse\cavse.exe
- %ProgramFiles%\cavsn\cavsn.exe
- %ProgramFiles%\cavsub\cavsub.exe
- %ProgramFiles%\cavsubmit\cavsubmit.exe
- %ProgramFiles%\cavaud\cavaud.exe
- %ProgramFiles%\cavmr\cavmr.exe
- %ProgramFiles%\blackd\blackd.exe
- %CommonProgramFiles%\microsoft shared\vsto\10.0\vstoinstaller.exe
- %ProgramFiles%\csendto\csendto.exe
- %ProgramFiles%\drwebupw\drwebupw.exe
- %ProgramFiles%\drwebwcl\drwebwcl.exe
- %ProgramFiles%\drwreg\drwreg.exe
- %ProgramFiles%\ecmd\ecmd.exe
- %ProgramFiles%\egni\egni.exe
- %ProgramFiles%\ehsniffer\ehsniffer.exe
- %ProgramFiles%\ekrn\ekrn.exe
- %ProgramFiles%\elementclient\elementclient.exe
- %ProgramFiles%\drweb386\drweb386.exe
- %ProgramFiles%\drwebscd\drwebscd.exe
- %ProgramFiles%\etherd\etherd.exe
- %ProgramFiles%\exit_av\exit_av.exe
- %ProgramFiles%\ezantivirusregistrationcheck\ezantivirusregistrationcheck.exe
- %ProgramFiles%\f-sched\f-sched.exe
- %ProgramFiles%\fameh32\fameh32.exe
- %ProgramFiles%\far\far.exe
- %ProgramFiles%\fch32\fch32.exe
- %ProgramFiles%\fdm\fdm.exe
- %ProgramFiles%\fdmwi\fdmwi.exe
- %ProgramFiles%\eudora\eudora.exe
- %ProgramFiles%\ewidoctrl\ewidoctrl.exe
- %ProgramFiles%\courier\courier.exe
- %ProgramFiles%\copyx64\copyx64.exe
- %ProgramFiles%\drwadins\drwadins.exe
- %ProgramFiles%\cssexc\cssexc.exe
- %ProgramFiles%\custinstall\custinstall.exe
- %ProgramFiles%\custsetup\custsetup.exe
- %ProgramFiles%\cuteftp\cuteftp.exe
- %ProgramFiles%\dbconvert\dbconvert.exe
- %ProgramFiles%\dbtool\dbtool.exe
- %ProgramFiles%\defensewall\defensewall.exe
- %ProgramFiles%\drweb\drweb.exe
- %ProgramFiles%\cpd\cpd.exe
- %ProgramFiles%\drweb32w\drweb32w.exe
- %ProgramFiles%\defwatch\defwatch.exe
- %ProgramFiles%\directftp\directftp.exe
- %ProgramFiles%\dislite\dislite.exe
- %ProgramFiles%\dnf\dnf.exe
- %ProgramFiles%\dpatrolq\dpatrolq.exe
- %ProgramFiles%\drvctl\drvctl.exe
- %ProgramFiles%\drvirus\drvirus.exe
- %ProgramFiles%\drvmap\drvmap.exe
- %ProgramFiles%\dekaron\dekaron.exe
- %ProgramFiles%\digsby\digsby.exe
- %ProgramFiles%\digsby-app\digsby-app.exe
- %ProgramFiles%\bdswitch\bdswitch.exe
- %ProgramFiles%\bdsurvey\bdsurvey.exe
- %ProgramFiles%\bdsubmitwiz\bdsubmitwiz.exe
- %ProgramFiles%\amsn\amsn.exe
- %ProgramFiles%\anti-trojan\anti-trojan.exe
- %ProgramFiles%\antivirus\antivirus.exe
- %ProgramFiles%\aoltbserver\aoltbserver.exe
- %ProgramFiles%\armor2net\armor2net.exe
- %ProgramFiles%\armorsurf\armorsurf.exe
- %ProgramFiles%\ash\ash.exe
- %ProgramFiles%\ashavast\ashavast.exe
- %ProgramFiles%\alsvc\alsvc.exe
- %ProgramFiles%\ashsimpl\ashsimpl.exe
- %ProgramFiles%\almon\almon.exe
- %ProgramFiles%\ashdug\ashdug.exe
- %ProgramFiles%\ashenhcd\ashenhcd.exe
- %ProgramFiles%\ashlogv\ashlogv.exe
- %ProgramFiles%\ashmaisv\ashmaisv.exe
- %ProgramFiles%\ashpopwz\ashpopwz.exe
- %ProgramFiles%\ashquick\ashquick.exe
- %ProgramFiles%\ashserv\ashserv.exe
- %ProgramFiles%\ashsimp2\ashsimp2.exe
- %ProgramFiles%\ashchest\ashchest.exe
- %ProgramFiles%\ashavsrv\ashavsrv.exe
- %ProgramFiles%\ashdisp\ashdisp.exe
- %ProgramFiles%\aimpro\aimpro.exe
- %ProgramFiles%\a2wizard\a2wizard.exe
- C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\setup.exe
- C:\msocache\all users\{90140000-0115-0409-1000-0000000ff1ce}-c\dwtrig20.exe
- %ProgramFiles%\360tray\360tray.exe
- %ProgramFiles%\a2cmd\a2cmd.exe
- %ProgramFiles%\a2guard\a2guard.exe
- %ProgramFiles%\a2hijackfree\a2hijackfree.exe
- %ProgramFiles%\a2scan\a2scan.exe
- %ProgramFiles%\a2service\a2service.exe
- %ProgramFiles%\airdefense\airdefense.exe
- %ProgramFiles%\ashskpcc\ashskpcc.exe
- C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\ose.exe
- %ProgramFiles%\aavshield\aavshield.exe
- %ProgramFiles%\about\about.exe
- %ProgramFiles%\ackwin32\ackwin32.exe
- %ProgramFiles%\admunch\admunch.exe
- %ProgramFiles%\agb5\agb5.exe
- %ProgramFiles%\ageofconan\ageofconan.exe
- %ProgramFiles%\ahnsd\ahnsd.exe
- %ProgramFiles%\aim6\aim6.exe
- %ProgramFiles%\a2upd\a2upd.exe
- %ProgramFiles%\a2start\a2start.exe
- %ProgramFiles%\amon\amon.exe
- %ProgramFiles%\ashskpck\ashskpck.exe
- %ProgramFiles%\avgvv\avgvv.exe
- %ProgramFiles%\avgwizfw\avgwizfw.exe
- %ProgramFiles%\avinitnt\avinitnt.exe
- %ProgramFiles%\avkserv\avkserv.exe
- %ProgramFiles%\avkservice\avkservice.exe
- %ProgramFiles%\avkwctl\avkwctl.exe
- %ProgramFiles%\avnotify\avnotify.exe
- %ProgramFiles%\avpcc\avpcc.exe
- %ProgramFiles%\avgupsvc\avgupsvc.exe
- %ProgramFiles%\avgscan\avgscan.exe
- %ProgramFiles%\avgw\avgw.exe
- %ProgramFiles%\avpm\avpm.exe
- %ProgramFiles%\backweb-4476822\backweb-4476822.exe
- %ProgramFiles%\bdagent\bdagent.exe
- %ProgramFiles%\bdmcon\bdmcon.exe
- %ProgramFiles%\bdnews\bdnews.exe
- %ProgramFiles%\bdoesrv\bdoesrv.exe
- %ProgramFiles%\bdss\bdss.exe
- %ProgramFiles%\bdsubmit\bdsubmit.exe
- %ProgramFiles%\avscan\avscan.exe
- %ProgramFiles%\avsynmgr\avsynmgr.exe
- %ProgramFiles%\b2\b2.exe
- %ProgramFiles%\avgupden\avgupden.exe
- %ProgramFiles%\avgrssvc\avgrssvc.exe
- %ProgramFiles%\ashupd\ashupd.exe
- %ProgramFiles%\ash_updatemediator\ash_updatemediator.exe
- %ProgramFiles%\aswregsvr\aswregsvr.exe
- %ProgramFiles%\aswupdsv\aswupdsv.exe
- %ProgramFiles%\autodown\autodown.exe
- %ProgramFiles%\autostartexplorer\autostartexplorer.exe
- %ProgramFiles%\autotrace\autotrace.exe
- %ProgramFiles%\avadmin\avadmin.exe
- %ProgramFiles%\avcenter\avcenter.exe
- %ProgramFiles%\avciman\avciman.exe
- %ProgramFiles%\ashwebsv\ashwebsv.exe
- %ProgramFiles%\avcmd\avcmd.exe
- %ProgramFiles%\avconsol\avconsol.exe
- %ProgramFiles%\avgamsvr\avgamsvr.exe
- %ProgramFiles%\avgcc\avgcc.exe
- %ProgramFiles%\avgdiag\avgdiag.exe
- %ProgramFiles%\avgemc\avgemc.exe
- %ProgramFiles%\avgfwsrv\avgfwsrv.exe
- %ProgramFiles%\avginet\avginet.exe
- %ProgramFiles%\avgnpdln\avgnpdln.exe
- %ProgramFiles%\avgnpsvc\avgnpsvc.exe
- %ProgramFiles%\avconfig\avconfig.exe
- %ProgramFiles%\filezilla\filezilla.exe
- %ProgramFiles%\firebird\firebird.exe
Creates the following files on removable media
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\xiaohao.exe
Malicious functions
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Injects code into
the following system processes:
- %WINDIR%\syswow64\cmd.exe
- <SYSTEM32>\svchost.exe
the following user processes:
- iexplore.exe
Terminates or attempts to terminate
the following system processes:
- <SYSTEM32>\lsm.exe
- <SYSTEM32>\svchost.exe
- <SYSTEM32>\services.exe
Modifies file system
Creates the following files
- %TEMP%\eefa.tmp\eefb.tmp\eefc.bat
- %APPDATA%\veryfun.exe
- %APPDATA%\xiaohao.exe
- %APPDATA%\msg.vbs
- %APPDATA%\1.vbs
- %WINDIR%\syswow64\exloroe.exe
- C:\autorun.inf
- C:\xiaohao.exe
- D:\autorun.inf
- D:\xiaohao.exe
- C:\jilu.txt
- %PROGRAMDATA%\microsoft\windows\wer\reportqueue\appcrash_lsm.exe_9156d08ee6779570a9c1bc40e5a7e739200da9_cab_03c4beae\report.wer.tmp
- %PROGRAMDATA%\microsoft\windows\wer\reportqueue\appcrash_svchost.exe_fd4fa0e49c0bdc578bf9170f08a5ebfad119e71_cab_082d0898\report.wer.tmp
- %PROGRAMDATA%\microsoft\windows\wer\reportqueue\appcrash_services.exe_03a42ef848a54f40a41244f949b71ad38b49b0_cab_079d4265\report.wer.tmp
- %PROGRAMDATA%\microsoft\windows\wer\reportqueue\appcrash_svchost.exe_nsi_dc9a3fca3c35e129bea5c7673e938f1ce6829f7_cab_04e536ad\report.wer.tmp
Sets the 'hidden' attribute to the following files
- C:\xiaohao.exe
- C:\autorun.inf
- D:\xiaohao.exe
- D:\autorun.inf
- <Drive name for removable media>:\xiaohao.exe
- <Drive name for removable media>:\autorun.inf
- C:\jilu.txt
Deletes the following files
- %APPDATA%\veryfun.exe
- %APPDATA%\xiaohao.exe
- %APPDATA%\msg.vbs
- %APPDATA%\1.vbs
- %TEMP%\eefa.tmp\eefb.tmp\eefc.bat
Moves the following files
- from %PROGRAMDATA%\microsoft\windows\wer\reportqueue\appcrash_lsm.exe_9156d08ee6779570a9c1bc40e5a7e739200da9_cab_03c4beae\report.wer.tmp to %PROGRAMDATA%\microsoft\windows\wer\reportqueue\appcrash_lsm.exe_9156d08ee6779570a9c1bc40e5a7e739200da9_cab_03c4beae\report.wer
- from %PROGRAMDATA%\microsoft\windows\wer\reportqueue\appcrash_svchost.exe_fd4fa0e49c0bdc578bf9170f08a5ebfad119e71_cab_082d0898\report.wer.tmp to %PROGRAMDATA%\microsoft\windows\wer\reportqueue\appcrash_svchost.exe_fd4fa0e49c0bdc578bf9170f08a5ebfad119e71_cab_082d0898\report.wer
- from %PROGRAMDATA%\microsoft\windows\wer\reportqueue\appcrash_services.exe_03a42ef848a54f40a41244f949b71ad38b49b0_cab_079d4265\report.wer.tmp to %PROGRAMDATA%\microsoft\windows\wer\reportqueue\appcrash_services.exe_03a42ef848a54f40a41244f949b71ad38b49b0_cab_079d4265\report.wer
- from %PROGRAMDATA%\microsoft\windows\wer\reportqueue\appcrash_svchost.exe_nsi_dc9a3fca3c35e129bea5c7673e938f1ce6829f7_cab_04e536ad\report.wer.tmp to %PROGRAMDATA%\microsoft\windows\wer\reportqueue\appcrash_svchost.exe_nsi_dc9a3fca3c35e129bea5c7673e938f1ce6829f7_cab_04e536ad\report.wer
Miscellaneous
Creates and executes the following
- '<SYSTEM32>\wscript.exe' "%APPDATA%\1.vbs"
- '%APPDATA%\veryfun.exe'
- '%APPDATA%\xiaohao.exe'
- '<SYSTEM32>\cmd.exe' /c "%TEMP%\EEFA.tmp\EEFB.tmp\EEFC.bat <Full path to file>"' (with hidden window)
- '<SYSTEM32>\wermgr.exe' "-queuereporting_svc" "%PROGRAMDATA%\Microsoft\Windows\WER\ReportQueue\AppCrash_lsm.exe_9156d08ee6779570a9c1bc40e5a7e739200da9_cab_03c4beae"' (with hidden window)
- '<SYSTEM32>\wermgr.exe' "-queuereporting_svc" "%PROGRAMDATA%\Microsoft\Windows\WER\ReportQueue\AppCrash_svchost.exe_fd4fa0e49c0bdc578bf9170f08a5ebfad119e71_cab_082d0898"' (with hidden window)
- '<SYSTEM32>\wermgr.exe' "-queuereporting_svc" "%PROGRAMDATA%\Microsoft\Windows\WER\ReportQueue\AppCrash_services.exe_03a42ef848a54f40a41244f949b71ad38b49b0_cab_079d4265"' (with hidden window)
- '<SYSTEM32>\wermgr.exe' "-queuereporting_svc" "%PROGRAMDATA%\Microsoft\Windows\WER\ReportQueue\AppCrash_svchost.exe_nsi_dc9a3fca3c35e129bea5c7673e938f1ce6829f7_cab_04e536ad"' (with hidden window)
Executes the following
- '<SYSTEM32>\cmd.exe' /c "%TEMP%\EEFA.tmp\EEFB.tmp\EEFC.bat <Full path to file>"
- '<SYSTEM32>\wscript.exe' "%APPDATA%\msg.vbs"
- '%WINDIR%\syswow64\cmd.exe'
- '<SYSTEM32>\wlrmdr.exe' -1 -f 2 -t You are about to be logged off -m Windows has encountered a critical problem and will restart automatically in one minute. Please save your work now. -a 3
- '<SYSTEM32>\wermgr.exe' "-queuereporting_svc" "%PROGRAMDATA%\Microsoft\Windows\WER\ReportQueue\AppCrash_lsm.exe_9156d08ee6779570a9c1bc40e5a7e739200da9_cab_03c4beae"
- '<SYSTEM32>\wermgr.exe' "-queuereporting_svc" "%PROGRAMDATA%\Microsoft\Windows\WER\ReportQueue\AppCrash_svchost.exe_fd4fa0e49c0bdc578bf9170f08a5ebfad119e71_cab_082d0898"
- '<SYSTEM32>\wermgr.exe' "-queuereporting_svc" "%PROGRAMDATA%\Microsoft\Windows\WER\ReportQueue\AppCrash_services.exe_03a42ef848a54f40a41244f949b71ad38b49b0_cab_079d4265"
- '<SYSTEM32>\wermgr.exe' "-queuereporting_svc" "%PROGRAMDATA%\Microsoft\Windows\WER\ReportQueue\AppCrash_svchost.exe_nsi_dc9a3fca3c35e129bea5c7673e938f1ce6829f7_cab_04e536ad"
