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Win32.Bolik.2
Added to the Dr.Web virus database:
2019-03-11
Virus description added:
2020-02-07
Technical Information
Malicious functions
Injects code into
the following system processes:
Modifies file system
Creates the following files
%LOCALAPPDATA%\ybhaycla
%LOCALAPPDATA%\viqahidiy\shlwapi.dll
%LOCALAPPDATA%\viqahidiy\msvcrt.dll
%LOCALAPPDATA%\viqahidiy\user32.dll
%LOCALAPPDATA%\viqahidiy\gdi32.dll
%LOCALAPPDATA%\viqahidiy\advapi32.dll
%LOCALAPPDATA%\viqahidiy\iqmoqeqe.myr
%LOCALAPPDATA%\yrhinuy\dnsapi.dll
%LOCALAPPDATA%\yrhinuy\powrprof.dll
%LOCALAPPDATA%\yrhinuy\user32.dll
%LOCALAPPDATA%\yrhinuy\rpcrt4.dll
%LOCALAPPDATA%\yrhinuy\msvcrt.dll
%LOCALAPPDATA%\yrhinuy\tydyaqpo.ost
%LOCALAPPDATA%\radabioqh\shlwapi.dll
%LOCALAPPDATA%\radabioqh\msvcrt.dll
%LOCALAPPDATA%\radabioqh\byloup.cay
%LOCALAPPDATA%\kaliolylm\msvcrt.dll
%LOCALAPPDATA%\kaliolylm\bayzz.roi
%LOCALAPPDATA%\viqahidiy\ole32.dll
%LOCALAPPDATA%\viqahidiy\comctl32.dll
Deletes the following files
%LOCALAPPDATA%\kaliolylm\bayzz.roi
%LOCALAPPDATA%\viqahidiy\runonce.exe
%LOCALAPPDATA%\viqahidiy\ole32.dll
%LOCALAPPDATA%\viqahidiy\msvcrt.dll
%LOCALAPPDATA%\viqahidiy\iqmoqeqe.myr
%LOCALAPPDATA%\viqahidiy\gdi32.dll
%LOCALAPPDATA%\viqahidiy\comctl32.dll
%LOCALAPPDATA%\viqahidiy\advapi32.dll
%LOCALAPPDATA%\yrhinuy\user32.dll
%LOCALAPPDATA%\yrhinuy\tydyaqpo.ost
%LOCALAPPDATA%\viqahidiy\shlwapi.dll
%LOCALAPPDATA%\yrhinuy\spoolsv.exe
%LOCALAPPDATA%\yrhinuy\powrprof.dll
%LOCALAPPDATA%\yrhinuy\msvcrt.dll
%LOCALAPPDATA%\yrhinuy\dnsapi.dll
%LOCALAPPDATA%\radabioqh\shlwapi.dll
%LOCALAPPDATA%\radabioqh\regedt32.exe
%LOCALAPPDATA%\radabioqh\msvcrt.dll
%LOCALAPPDATA%\radabioqh\byloup.cay
%LOCALAPPDATA%\kaliolylm\msvcrt.dll
%LOCALAPPDATA%\kaliolylm\ctfmon.exe
%LOCALAPPDATA%\yrhinuy\rpcrt4.dll
%LOCALAPPDATA%\viqahidiy\user32.dll
Miscellaneous
Creates and executes the following
'%LOCALAPPDATA%\kaliolylm\ctfmon.exe'
'%LOCALAPPDATA%\radabioqh\regedt32.exe'
'%LOCALAPPDATA%\yrhinuy\spoolsv.exe'
'%LOCALAPPDATA%\viqahidiy\runonce.exe'
Executes the following
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