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Win32.HLLW.Autoruner2.40787
Added to the Dr.Web virus database:
2018-06-25
Virus description added:
2018-06-25
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'GTF51DZLHD' = '"%TEMP%\V-.JS"'
Creates or modifies the following files:
%HOMEPATH%\Start Menu\Programs\Startup\V-.JS
Creates the following files on removable media:
<Drive name for removable media>:\V-.JS
Modifies file system:
Creates the following files:
%TEMP%\V-.JS
%TEMP%\UC Browser 7.0.185.1002.exe
<LS_APPDATA>\UCBrowser\Online_Downloader\stats_uploader.exe
<LS_APPDATA>\UCBrowser\Online_Downloader\download.log
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\V-.JS
Network activity:
Connects to:
'uc##.uc.cn':80
'i1#####tat.ucweb.com':443
TCP:
HTTP GET requests:
http://uc##.uc.cn/get_ip_attr?ty######################################################################
UDP:
DNS ASK uc##.uc.cn
DNS ASK i1#####tat.ucweb.com
Miscellaneous:
Creates and executes the following:
'<SYSTEM32>\wscript.exe' "%TEMP%\V-.JS"
'%TEMP%\UC Browser 7.0.185.1002.exe'
'<LS_APPDATA>\UCBrowser\Online_Downloader\stats_uploader.exe' --normal-stats1=https://i18nmmstat.ucweb.com/lv=1.0&encrypt_data=bTkwAg51QdzKtsUdiJ8rJ99RFaX3mV+fBRv9/+4S72RL/COHYQmXMfBI56UiJqnLO3VhtNDzumZ8jkzZg7DMwfM/w59IeCTE6WAOdnU0ACsqgbRAMfgvlQEpZAHgp1/9...
'<LS_APPDATA>\UCBrowser\Online_Downloader\stats_uploader.exe' --normal-stats1=https://i18nmmstat.ucweb.com/lv=1.0&encrypt_data=bTkwAnt2EDJ3twqrG55Ycfmv9xmtlz1zShI0w7Uenz4T/GQ+MnDXYdJCsRkhOOs89iS7uRXxiDFwjxVyn7+VZcIEC5+AY79jyDrNcH4jQX0ChdMULeRTLHcyXtqzqHp+...
Executes the following:
'<SYSTEM32>\schtasks.exe' /create /sc minute /mo 30 /tn Skype /tr "%TEMP%\V-.JS
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