Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKLM>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'MHelper' = '%WINDIR%\MHelper.exe'
Malicious functions
To complicate detection of its presence in the operating system,
blocks the following features:
- User Account Control (UAC)
Injects code into
the following user processes:
- iexplore.exe
Searches for windows to
detect analytical utilities:
- ClassName: 'OLLYDBG', WindowName: ''
- ClassName: 'GBDYLLO', WindowName: ''
- ClassName: 'pediy06', WindowName: ''
- ClassName: 'FilemonClass', WindowName: ''
- ClassName: '', WindowName: 'File Monitor - Sysinternals: www.sysinternals.com'
- ClassName: 'PROCMON_WINDOW_CLASS', WindowName: ''
- ClassName: '', WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
- ClassName: 'RegmonClass', WindowName: ''
- ClassName: '', WindowName: 'Registry Monitor - Sysinternals: www.sysinternals.com'
Modifies file system
Creates the following files
- %WINDIR%\machineid.db
- %WINDIR%\kmon.dll
Network activity
Connects to
- '10#.#.249.15':6200
UDP
- DNS ASK ne###4.kro.kr
Miscellaneous
Searches for the following windows
- ClassName: '18467-41' WindowName: ''
- ClassName: '' WindowName: '바둑이게임'
- ClassName: '' WindowName: '포커게임'
- ClassName: '' WindowName: '맞고게임'
- ClassName: '' WindowName: 'NEW VONGVONG BADUKI'
- ClassName: '' WindowName: 'NEW VONGVONG MATGO'
- ClassName: '' WindowName: 'Baduki'
- ClassName: '' WindowName: 'PlusPoker'
- ClassName: '' WindowName: '피망 하이로우'
- ClassName: '' WindowName: 'Matgo'
- ClassName: '' WindowName: '올스타즈 게임'
- ClassName: '' WindowName: '로우 바둑이'
- ClassName: '' WindowName: '맞고'
- ClassName: '' WindowName: '포커'
- ClassName: '' WindowName: '팟스타게임 대기실'
- ClassName: '' WindowName: '트레인게임'
- ClassName: 'IEFrame' WindowName: ''
- ClassName: '' WindowName: '게임 클라이언트'
- ClassName: 'CXG_WNDCLASS' WindowName: ''
- ClassName: '' WindowName: '넷마블 훌라'
- ClassName: '' WindowName: '넷마블 섯다'
- ClassName: '' WindowName: '넷마블 하이로우'
- ClassName: '' WindowName: '한게임 7포커'
- ClassName: '' WindowName: '한게임 라스베가스 포커'
- ClassName: '' WindowName: '하이로우2'
- ClassName: '' WindowName: '한게임 맞포커'
- ClassName: '' WindowName: '한게임 파티훌라'
- ClassName: '' WindowName: '피망 로우바둑이'
- ClassName: '' WindowName: '피망 7포커'
- ClassName: '' WindowName: 'Windows XP 계정 데이터베이스 보안'
- ClassName: '' WindowName: '쓰리랑게임'
- ClassName: '' WindowName: '피망 뉴포커'
- ClassName: '' WindowName: '피망 맞고'
- ClassName: '' WindowName: '피망 뉴맞고'
- ClassName: '' WindowName: '피망 섯다'
- ClassName: '' WindowName: '피망 고스톱'
- ClassName: '' WindowName: '넷마블 7포커'
- ClassName: '' WindowName: '넷마블 로우바둑이'
- ClassName: '' WindowName: '넷마블 뉴포커'
- ClassName: '' WindowName: '한게임 로우바둑이'
- ClassName: '' WindowName: '피망 훌라'
- ClassName: '' WindowName: 'Windows 연락처로 가져오기'
Executes the following
- '%ProgramFiles%\internet explorer\iexplore.exe'