Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Run] 'Mozilla' = 'rundll32 "<LS_APPDATA>\Microsoft\Mozilla\qxgiysgi.dll",startThreadW'
- [\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Run] 'Mozilla' = 'rundll32 "<LS_APPDATA>\Microsoft\Mozilla\qxgiysgi.dll",startThreadW'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Mozilla' = 'rundll32 "<LS_APPDATA>\Microsoft\Mozilla\qxgiysgi.dll",startThreadW'
Malicious functions:
Executes the following:
- <SYSTEM32>\rundll32.exe "<LS_APPDATA>\Microsoft\Mozilla\qxgiysgi.dll",startThreadW
- <SYSTEM32>\rundll32.exe "%TEMP%\qxgiysgi\qxgiysgi.dll",startThread
Terminates or attempts to terminate
the following user processes:
- firefox.exe
Modifies file system :
Creates the following files:
- <LS_APPDATA>\Microsoft\Mozilla\qxgiysgi.dll
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\cjacmycnqj@cjacmycnqj.org.xpi
- %TEMP%\qxgiysgi\qxgiysgi.dll
- %TEMP%\nsw2.tmp
- %TEMP%\nsr3.tmp\System.dll
Deletes the following files:
- %TEMP%\nsr3.tmp\System.dll
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
