Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- <SYSTEM32>\tasks\googleupdatetaskmachinecore{d1665ccf-fd6d-4149-9c11-1a4a1e59255e}
- <SYSTEM32>\tasks\googleupdatetaskmachineua{b1bca22d-815e-4539-8534-ec0c138a7431}
Sets the following service settings
- [HKLM\System\CurrentControlSet\Services\gupdate] 'Start' = '00000002'
- [HKLM\System\CurrentControlSet\Services\gupdate] 'ImagePath' = '"%ProgramFiles(x86)%\Google\Update\GoogleUpdate.exe" /svc'
- [HKLM\System\CurrentControlSet\Services\gupdatem] 'ImagePath' = '"%ProgramFiles(x86)%\Google\Update\GoogleUpdate.exe" /medsvc'
Creates the following services
- 'gupdate' "%ProgramFiles(x86)%\Google\Update\GoogleUpdate.exe" /svc
- 'gupdatem' "%ProgramFiles(x86)%\Google\Update\GoogleUpdate.exe" /medsvc
Modifies file system
Creates the following files
- %TEMP%\chromesetup.exe
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_es.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_es-419.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_et.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_fa.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_fi.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_fil.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_gu.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_iw.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_hi.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_hr.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_hu.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_id.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_is.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_it.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_en-gb.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_fr.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_en.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\googleupdatecomregistershell64.exe
- %TEMP%\nsv20ca.tmp\system.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\googleupdate.exe
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdate.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\googleupdatecore.exe
- %ProgramFiles(x86)%\google\update\1.3.36.312\googlecrashhandler.exe
- %ProgramFiles(x86)%\google\update\1.3.36.312\googlecrashhandler64.exe
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_am.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_de.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_ar.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_bg.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_bn.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_ca.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_cs.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_da.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_el.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_ja.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_kn.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_ko.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_tr.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_uk.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_ur.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_vi.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_zh-cn.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_te.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_th.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_zh-tw.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\psmachine.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\psmachine_64.dll
- %ProgramFiles(x86)%\google\update\googleupdate.exe
- %ProgramFiles(x86)%\google\update\1.3.36.312\googleupdatebroker.exe
- %ProgramFiles(x86)%\google\update\1.3.36.312\googleupdateondemand.exe
- %ProgramFiles(x86)%\google\update\1.3.36.312\psuser.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\psuser_64.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_ta.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_sw.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_sv.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_lv.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_ml.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_mr.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_ms.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_nl.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_no.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_lt.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_pl.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_pt-pt.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_ro.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_ru.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_sk.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_sl.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_sr.dll
- %ProgramFiles(x86)%\google\update\1.3.36.312\goopdateres_pt-br.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\googleupdatesetup.exe
- %TEMP%\bit8813.tmp
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_zh-tw.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_vi.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_bn.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_ca.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_cs.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_da.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_de.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_el.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_en-gb.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_fr.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_es.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_es-419.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_et.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_fa.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_fi.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_fil.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_bg.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_en.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_ar.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\googleupdatebroker.exe
- %TEMP%\firefox installer.exe
- %ProgramFiles(x86)%\google\temp\gut167e.tmp
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\googleupdate.exe
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\googlecrashhandler.exe
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdate.dll
- %TEMP%\7zs4695223d\setup-stub.exe
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\googleupdateondemand.exe
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\googleupdatecore.exe
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\googleupdatecomregistershell64.exe
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\psmachine.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\psmachine_64.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\psuser.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\psuser_64.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\googlecrashhandler64.exe
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_am.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_gu.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_hi.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_hr.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_ru.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_sk.dll
- %TEMP%\7zs4695223d\zoneidprovenancedata
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_sl.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_sr.dll
- %TEMP%\7zs4695223d\postsigningdata
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_ro.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_sv.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_te.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_th.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_tr.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_uk.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_ur.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_sw.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_ta.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_pt-pt.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_pt-br.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_pl.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_id.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_is.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_it.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_iw.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_ja.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_kn.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_hu.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_ko.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_lv.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_ml.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_mr.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_ms.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_nl.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_no.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_lt.dll
- %ProgramFiles(x86)%\google\temp\gum167d.tmp\goopdateres_zh-cn.dll
- %ProgramFiles(x86)%\google\update\download\{8a69d345-d564-463c-aff1-a69d9e530f96}\109.0.5414.120\109.0.5414.120_chrome_installer.exe
Sets the 'hidden' attribute to the following files
- %TEMP%\bit8813.tmp
Moves the following files
- from %TEMP%\bit8813.tmp to %TEMP%\{76c9f14f-a7b5-426c-a16f-0f6a56d3e6da}-109.0.5414.120_chrome_installer.exe
Network activity
Connects to
- 'dl.google.com':443
- 'pk#.goog':80
- 'up####.googleapis.com':443
- 'ed####.me.gvt1.com':80
TCP
HTTP GET requests
- http://pk#.goog/gsr1/gsr1.crt
- http://ed####.me.gvt1.com/edgedl/release2/chrome/czao2hrvpk5wgqrkz4kks5r734_109.0.5414.120/109.0.5414.120_chrome_installer.exe
Other
- 'dl.google.com':443
- 'up####.googleapis.com':443
UDP
- DNS ASK dl.google.com
- DNS ASK pk#.goog
- DNS ASK up####.googleapis.com
- DNS ASK ed####.me.gvt1.com
Miscellaneous
Creates and executes the following
- '%TEMP%\chromesetup.exe'
- '%TEMP%\firefox installer.exe'
- '%TEMP%\7zs4695223d\setup-stub.exe'
- '%ProgramFiles(x86)%\google\temp\gum167d.tmp\googleupdate.exe' /installsource taggedmi /install "appguid={8A69D345-D564-463C-AFF1-A69D9E530F96}&iid={B4CB46CD-86B7-6F9B-F8CB-125D3A173852}&lang=en&browser=4&usagestats=0&appname=Google%20Chrome&needsadmin=pre...
- '%ProgramFiles(x86)%\google\update\googleupdate.exe' /regsvc
- '%ProgramFiles(x86)%\google\update\googleupdate.exe' /regserver
- '%ProgramFiles(x86)%\google\update\1.3.36.312\googleupdatecomregistershell64.exe'
- '%ProgramFiles(x86)%\google\update\googleupdate.exe' /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4zNi4zMTIiIHNoZWxsX3ZlcnNpb249IjEuMy4zNi4zMTEiIGlzbWFjaGl...
- '%ProgramFiles(x86)%\google\update\googleupdate.exe' /handoff "appguid={8A69D345-D564-463C-AFF1-A69D9E530F96}&iid={B4CB46CD-86B7-6F9B-F8CB-125D3A173852}&lang=en&browser=4&usagestats=0&appname=Google%20Chrome&needsadmin=prefers&ap=x64-stable-stats...
- '%ProgramFiles(x86)%\google\update\googleupdate.exe' /svc
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' -EncodedCommand "PAAjAG4AegB5ACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAG4AZQB3ACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwA...' (with hidden window)
- '%TEMP%\chromesetup.exe' ' (with hidden window)
- '%TEMP%\firefox installer.exe' ' (with hidden window)
Executes the following
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' -EncodedCommand "PAAjAG4AegB5ACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAG4AZQB3ACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwA...
