Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- %WINDIR%\Tasks\GoogleUpdateTaskMachineUA.job
- %WINDIR%\Tasks\GoogleUpdateTaskMachineCore.job
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\gupdate] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
- '%PROGRAM_FILES%\Google\Update\GoogleUpdate.exe' /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB2ZXJzaW9uPSIxLjMuMjEuMTY1IiBzaGVsbF92ZXJzaW9uPSIxLjMuMjEuMTAzIiBpc21hY2hpbmU9IjEiIHNlc3Npb25pZD0ie0RGMEIyQkU1LUJFOTAtNDVBNC05NzhDLTVGNjBEOEYyMjgxM30iIGluc3RhbGxzb3VyY2U9InRhZ2dlZG1pIiByZXF1ZXN0aWQ9IntCQTBCOTZDMy1FMDUyLTRBRjEtOEEyNi0wNDVDREM1NEM2MUR9IiBkZWR1cD0iY3IiPjxvcyBwbGF0Zm9ybT0id2luIiB2ZXJzaW9uPSI1LjEiIHNwPSJTZXJ2aWNlIFBhY2sgMiIgYXJjaD0ieDg2Ii8-PGFwcCBhcHBpZD0iezQzMEZENEQwLUI3MjktNEY2MS1BQTM0LTkxNTI2NDgxNzk5RH0iIHZlcnNpb249IiIgbmV4dHZlcnNpb249IjEuMy4yMS4xNjUiIGxhbmc9ImVuIiBicmFuZD0iQ0hNTyIgY2xpZW50PSIiIGlpZD0ie0FFNDlGQ0MzLURCNkEtNTdDMy05QzUzLTYxMEI4Q0M5NERDOX0iPjxldmVudCBldmVudHR5cGU9IjIiIGV2ZW50cmVzdWx0PSIxIiBlcnJvcmNvZGU9IjAiIGV4dHJhY29kZTE9IjAiIGluc3RhbGxfdGltZV9tcz0iMTU3NjYiLz48L2FwcD48L3JlcXVlc3Q-
- '%PROGRAM_FILES%\Google\Update\GoogleUpdate.exe' /regserver
- '%PROGRAM_FILES%\Google\Update\GoogleUpdate.exe' /svc
- '%PROGRAM_FILES%\Google\Update\GoogleUpdate.exe' /handoff "appguid={8A69D345-D564-463C-AFF1-A69D9E530F96}&iid={AE49FCC3-DB6A-57C3-9C53-610B8CC94DC9}&lang=en&browser=3&usagestats=0&appname=Google%20Chrome&needsadmin=prefers&brand=CHMO&installdataindex=defaultbrowser" /installsource taggedmi /sessionid "{DF0B2BE5-BE90-45A4-978C-5F60D8F22813}"
- '%TEMP%\7zS1.tmp\ChromeSetup.exe'
- '%TEMP%\7zS1.tmp\pstubxx.exe' ChromeSetup.exe
- '%PROGRAM_FILES%\Google\Update\GoogleUpdate.exe' /regsvc
- '%PROGRAM_FILES%\GUM2.tmp\GoogleUpdate.exe' /installsource taggedmi /install "appguid={8A69D345-D564-463C-AFF1-A69D9E530F96}&iid={AE49FCC3-DB6A-57C3-9C53-610B8CC94DC9}&lang=en&browser=3&usagestats=0&appname=Google%20Chrome&needsadmin=prefers&brand=CHMO&installdataindex=defaultbrowser"
Modifies file system :
Creates the following files:
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_fr.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_fil.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_hi.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_gu.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_et.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_es-419.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_fi.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_fa.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_hr.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_ja.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_iw.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_ko.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_kn.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_id.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_hu.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_it.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_is.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_am.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\GoogleCrashHandler64.exe
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_bg.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_ar.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\GoogleUpdate.exe
- %PROGRAM_FILES%\GUM2.tmp\GoogleUpdateSetup.exe
- %PROGRAM_FILES%\Google\Update\1.3.21.165\GoogleCrashHandler.exe
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdate.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_bn.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_en.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_el.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_es.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_en-GB.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_cs.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_ca.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_de.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_da.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_ur.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_uk.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_zh-CN.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_vi.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_te.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_ta.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_tr.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_th.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_zh-TW.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\npGoogleUpdate3.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\GoogleUpdateSetup.exe
- %PROGRAM_FILES%\Google\Update\1.3.21.165\GoogleUpdateOnDemand.exe
- %PROGRAM_FILES%\Google\Update\1.3.21.165\GoogleUpdateBroker.exe
- %PROGRAM_FILES%\Google\Update\1.3.21.165\psuser.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\GoogleUpdateHelper.msi
- %PROGRAM_FILES%\Google\Update\GoogleUpdate.exe
- %PROGRAM_FILES%\Google\Update\1.3.21.165\psmachine.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_nl.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_ms.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_pl.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_no.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_lv.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_lt.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_mr.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_ml.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_pt-BR.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_sr.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_sl.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_sw.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_sv.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_ro.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_pt-PT.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_sk.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.165\goopdateres_ru.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_en.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_el.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_es.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_en-GB.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_cs.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_ca.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_de.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_da.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_es-419.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_gu.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_fr.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_hr.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_hi.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_fa.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_et.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_fil.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_fi.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdate.dll
- %PROGRAM_FILES%\GUM2.tmp\GoogleCrashHandler.exe
- %PROGRAM_FILES%\GUM2.tmp\GoogleUpdateHelper.msi
- %PROGRAM_FILES%\GUM2.tmp\npGoogleUpdate3.dll
- %TEMP%\7zS1.tmp\pstubxx.exe
- %TEMP%\7zS1.tmp\ChromeSetup.exe
- %PROGRAM_FILES%\GUM2.tmp\GoogleUpdate.exe
- %PROGRAM_FILES%\GUT3.tmp
- %PROGRAM_FILES%\GUM2.tmp\GoogleUpdateBroker.exe
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_ar.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_am.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_bn.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_bg.dll
- %PROGRAM_FILES%\GUM2.tmp\psmachine.dll
- %PROGRAM_FILES%\GUM2.tmp\GoogleUpdateOnDemand.exe
- %PROGRAM_FILES%\GUM2.tmp\GoogleCrashHandler64.exe
- %PROGRAM_FILES%\GUM2.tmp\psuser.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_sr.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_sl.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_sw.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_sv.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_ro.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_pt-PT.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_sk.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_ru.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_ta.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_vi.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_ur.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_zh-TW.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_zh-CN.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_th.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_te.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_uk.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_tr.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_ja.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_iw.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_ko.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_kn.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_id.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_hu.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_it.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_is.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_lt.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_no.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_nl.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_pt-BR.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_pl.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_ml.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_lv.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_ms.dll
- %PROGRAM_FILES%\GUM2.tmp\goopdateres_mr.dll
Network activity:
Connects to:
- 'localhost':1041
- '74.##5.232.51':80
- 'wp#d':80
- 'localhost':1039
TCP:
HTTP GET requests:
- wp#d/wpad.dat
UDP:
- DNS ASK to###.google.com
- DNS ASK wp#d
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'