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Win64.Expiro.120

Added to the Dr.Web virus database: 2017-07-16

Virus description added: 2020-06-11

Technical Information

To ensure autorun and distribution

Sets the following service settings

[<HKLM>\System\CurrentControlSet\Services\AdobeARMservice] 'Start' = '00000002'
[<HKLM>\System\CurrentControlSet\Services\AdobeFlashPlayerUpdateSvc] 'Start' = '00000002'
[<HKLM>\System\CurrentControlSet\Services\clr_optimization_v2.0.50727_32] 'Start' = '00000002'
[<HKLM>\System\CurrentControlSet\Services\clr_optimization_v2.0.50727_64] 'Start' = '00000002'
[<HKLM>\System\CurrentControlSet\Services\clr_optimization_v4.0.30319_32] 'Start' = '00000002'
[<HKLM>\System\CurrentControlSet\Services\clr_optimization_v4.0.30319_64] 'Start' = '00000002'
[<HKLM>\System\CurrentControlSet\Services\COMSysApp] 'Start' = '00000002'

Changes the following executable system files

%WINDIR%\syswow64\macromed\flash\flashplayerupdateservice.exe
<SYSTEM32>\alg.exe
%WINDIR%\syswow64\svchost.exe
%WINDIR%\microsoft.net\framework\v2.0.50727\mscorsvw.exe
%WINDIR%\microsoft.net\framework64\v2.0.50727\mscorsvw.exe
%WINDIR%\microsoft.net\framework\v4.0.30319\mscorsvw.exe
%WINDIR%\microsoft.net\framework64\v4.0.30319\mscorsvw.exe
%WINDIR%\syswow64\dllhost.exe
<SYSTEM32>\dllhost.exe
%WINDIR%\ehome\ehrecvr.exe
%WINDIR%\ehome\ehsched.exe
<SYSTEM32>\fxssvc.exe

Infects the following executable files

%CommonProgramFiles(x86)%\adobe\arm\1.0\armsvc.exe
%WINDIR%\syswow64\macromed\flash\flashplayerupdateservice.exe
<SYSTEM32>\alg.exe
%WINDIR%\syswow64\svchost.exe
%WINDIR%\microsoft.net\framework\v2.0.50727\mscorsvw.exe
%WINDIR%\microsoft.net\framework64\v2.0.50727\mscorsvw.exe
%WINDIR%\microsoft.net\framework\v4.0.30319\mscorsvw.exe
%WINDIR%\microsoft.net\framework64\v4.0.30319\mscorsvw.exe
%WINDIR%\syswow64\dllhost.exe
<SYSTEM32>\dllhost.exe
%WINDIR%\ehome\ehrecvr.exe
%WINDIR%\ehome\ehsched.exe
<SYSTEM32>\fxssvc.exe

Modifies file system

Creates the following files

%CommonProgramFiles(x86)%\adobe\arm\1.0\mjiaklpf.tmp
%WINDIR%\syswow64\macromed\flash\gokbfnle.tmp
<SYSTEM32>\amaoknlb.tmp
%WINDIR%\syswow64\iniclbjp.tmp
%WINDIR%\microsoft.net\framework\v2.0.50727\gckkcjfi.tmp
%WINDIR%\microsoft.net\framework\v2.0.50727\jmibabpi.tmp
%WINDIR%\microsoft.net\framework64\v2.0.50727\oebldicb.tmp
%WINDIR%\microsoft.net\framework\v4.0.30319\cbhdappj.tmp
%WINDIR%\microsoft.net\framework64\v4.0.30319\plejejjo.tmp
%WINDIR%\microsoft.net\framework64\v4.0.30319\jelocpjf.tmp
%WINDIR%\syswow64\hiofeieb.tmp
<SYSTEM32>\jehgjeep.tmp
%WINDIR%\ehome\hedigigc.tmp
%WINDIR%\ehome\ffjgdgif.tmp
<SYSTEM32>\qjbbihka.tmp

Deletes the following files

%CommonProgramFiles(x86)%\adobe\arm\1.0\mjiaklpf.tmp
%WINDIR%\syswow64\macromed\flash\gokbfnle.tmp
<SYSTEM32>\amaoknlb.tmp
%WINDIR%\syswow64\iniclbjp.tmp
%WINDIR%\microsoft.net\framework\v2.0.50727\gckkcjfi.tmp
%WINDIR%\microsoft.net\framework\v2.0.50727\jmibabpi.tmp
%WINDIR%\microsoft.net\framework64\v2.0.50727\oebldicb.tmp
%WINDIR%\microsoft.net\framework\v4.0.30319\cbhdappj.tmp
%WINDIR%\microsoft.net\framework64\v4.0.30319\plejejjo.tmp
%WINDIR%\microsoft.net\framework64\v4.0.30319\jelocpjf.tmp
%WINDIR%\syswow64\hiofeieb.tmp
<SYSTEM32>\jehgjeep.tmp
%WINDIR%\ehome\hedigigc.tmp
%WINDIR%\ehome\ffjgdgif.tmp
<SYSTEM32>\qjbbihka.tmp

Miscellaneous

Executes the following

'%WINDIR%\syswow64\macromed\flash\flashplayerupdateservice.exe'
'%WINDIR%\microsoft.net\framework64\v3.0\windows communication foundation\infocard.exe'