Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'ablsjiwexaummnaq' = '<SYSTEM32>\regsvr32.exe /s "<SYSTEM32>\bhwnptvctaqab.dll"'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'ablsjiwexaummnaq' = '<SYSTEM32>\regsvr32.exe /s "%TEMP%\bhwnptvctaqab.dll"'
Malicious functions:
Executes the following:
- <SYSTEM32>\regsvr32.exe /s "<SYSTEM32>\bhwnptvctaqab.dll"
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\nsi_install[1].php
- %TEMP%\ax1545.tmp
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\123kah[1].htm
- <SYSTEM32>\lekhtomzfskkqghe.exe
- %TEMP%\nsi2.tmp
- %TEMP%\nsi3.tmp\System.dll
- %TEMP%\bhwnptvctaqab.dll
Deletes the following files:
- %TEMP%\nsi3.tmp\System.dll
- %TEMP%\ax1545.tmp
Network activity:
Connects to:
- 'localhost':1038
- 'ad#.###getedbanner.biz':80
- 'localhost':1035
TCP:
HTTP GET requests:
- ad#.###getedbanner.biz/bc/nsi_install.php?in###################################################################################
UDP:
- DNS ASK ad#.###getedbanner.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_AutodialMonitor' WindowName: ''
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: '' WindowName: ''
