RANSOM_BTCWARE.F117DQ
Ransom.BTCWare(Malwarebytes)
Windows
Threat Type: Ransomware
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Dropped by other malware, Downloaded from the Internet
This Ransomware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
TECHNICAL DETAILS
280,576 bytes
EXE
No
26 Apr 2017
Drops files, Encrypts files
Arrival Details
This Ransomware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This Ransomware drops the following copies of itself into the affected system:
- %Application Data%\mfskSkfkls.exe
(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
It drops the following files:
- %Application Data%\1.bmp
- %Desktop%\key.dat
- %Desktop%\#_HOW_TO_FIX.inf ← Ransom Note
- {Encrypted files directory}\#_HOW_TO_FIX.inf ← Ransom Note
- %Application Data%\#_HOW_TO_FIX.inf ← Ransom Note
(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Desktop% is the desktop folder, where it usually is C:\Documents and Settings\{user name}\Desktop in Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\Desktop in Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
Autostart Technique
This Ransomware adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
btq = %Application Data%\mfskSkfkls.exe
Other System Modifications
This Ransomware adds the following registry entries:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
insbtq = %Application Data%\#_HOW_TO_FIX.inf
It changes the desktop wallpaper by modifying the following registry entries:
HKEY_CURRENT_USER\Control Panel\Desktop
Wallpaper = %Application Data%\1.bmp
It sets the system's desktop wallpaper to the following image:
Other Details
This Ransomware encrypts files with the following extensions:
- .owl
- .oxt
- .p7s
- .p7x
- .pab
- .pack
- .pak
- .paq
- .part00000
- .patran
- .paw
- .pbb
- .pbd
- .pbf
- .pbj
- .pbk
- .pbp
- .pbs
- .pcap
- .pcapng
- .pcb
- .pcr
- .pcv
- .pd4
- .pd5
- .pdas
- .pdc
- .pdfig
- .pdo
- .pds
- .pdx
- .peb
- .pec
- .pep
- .pex
- .pez
- .pfc
- .pfl
- .pfs
- .pgpf
- .phb
- .phd
- .phl
- .phr
- .pis
- .pjt
- .pjx
- .pka
- .pkb
- .pkey
- .pkh
- .pkpass
- .pks
- .pkt
- .planner
- .plantuml
- .plb
- .pli
- .pln
- .plw
- .pmatrix
- .pmd
- .pml
- .pmlz
- .pmm
- .pmo
- .pmr
- .pmv
- .pnproj
- .pnpt
- .pns
- .pobi
- .pod
- .poi
- .por
- .pos
- .postal
- .pp2
- .ppd
- .ppf
- .ppj
- .ppr
- .prc
- .prd
- .pre
- .prel
- .printcd2
- .prj
- .prnx
- .pro4
- .pro4pl
- .pro4plx
- .pro4x
- .pro5
- .pro5pl
- .pro5plx
- .pro5x
- .props
- .prp
- .prproj
- .prs
- .prt
- .prz
- .psa
- .psf
- .psflib
- .psflib2
- .psk
- .psm
- .pspd
- .psw
- .psw6
- .pswx
- .ptb
- .ptf
- .ptk
- .ptn
- .ptz
- .puz
- .pvj
- .pvl
- .pvm
- .pwf
- .pwi
- .pwm
- .pwr
- .pxa
- .pxc
- .pxf
- .pxj
- .pxl
- .pxp
- .q07
- .q08
- .q09
- .q3d
- .qb2005
- .qb2006
- .qb2007
- .qb2009
- .qb2010
- .qbk
- .qbmb
- .qbmd
- .qcow
- .qcow2
- .qdat
- .qdb
- .qdf
- .qdf-backup
- .qdl
- .qdt
- .qed
- .qel
- .qfx
- .qic
- .qif
- .qmk
- .qpb
- .qpf
- .qph
- .qpm
- .qpw
- .qpx
- .qrc
- .qrp
- .qsd
- .qsf
- .qtq
- .qtr
- .qualsoftcode
- .quiz
- .quox
- .qv~
- .qvp
- .qvw
- .qxf
- .r00
- .r01
- .r02
- .r03
- .ra2
- .rad
- .ral
- .ram
- .rbc
- .rbf
- .rbk
- .rbs
- .rbt
- .rcd
- .rcg
- .rcx
- .rda
- .rdata
- .rdf
- .rdi
- .rdlx
- .rdx
- .re4
- .readme
- .ref
- .reference
- .rel
- .res
- .result
- .ret
- .rev
- .rf1
- .rfa
- .rfo
- .rft
- .rgmb
- .rgmc
- .rgn
- .rgo
- .rgss3a
- .rhistory
- .rim
- .ris
- .rll
- .rmbak
- .rmuf
- .rng
- .rnq
- .roca
- .rod
- .rofl
- .rog
- .roi
- .rou
- .roxio
- .rpa
- .rpd
- .rpf
- .rpp
- .rpprj
- .rpyb
- .rrr
- .rrt
- .rsc
- .rsdf
- .rsf
- .rsp
- .rsrc
- .rst
- .rsv
- .rsw
- .rta
- .rtd
- .rte
- .rts
- .rtstn
- .rtwsh
- .rtx
- .rum
- .run
- .rvt
- .rwd
- .rwg
- .rwl
- .rws
- .rzb
- .rzk
- .rzn
- .rzx
- .s2e
- .s85
- .sad
- .saf
- .safe
- .safetext
- .sah
- .sam
- .sam07
- .sar
- .sav
- .save
- .savedstate
- .sbb
- .sbd
- .sbf
- .sbq
- .sbs
- .sbt
- .sbu
- .sbw
- .sbx
- .sc2save
- .sca
- .scc
- .scf
- .sch
- .scm
- .scn
- .scriv
- .scrivx
- .sct
- .scw
- .scx
- .scz
- .sd1
- .sdb
- .sdc
- .sdinstall
- .sdlxliff
- .sdm
- .sdn
- .sdo
- .sdoc
- .sdp
- .sdq
- .sdt
- .sdw
- .sdz
- .search-ms
- .sef
- .sel
- .sen
- .seo
- .seq
- .ser
- .ses
- .sfs
- .sfx
- .sgm
- .sgml
- .sgr
- .sgz
- .shar
- .shc
- .show
- .shr
- .shw
- .shy
- .sid
- .sidd
- .sidn
- .sidx
- .sie
- .sig
- .sis
- .skb
- .skc
- .skcard
- .skv
- .skx
- .sla
- .sld
- .sldtm
- .sle
- .slk
- .slm
- .slp
- .sls
- .slt
- .slx
- .smd
- .sme
- .smf
- .smpkg
- .sms
- .smx
- .smz
- .sn1
- .sn2
- .sna
- .snag
- .snapfireshow
- .snapshot
- .snb
- .snk
- .snp
- .sns
- .snx
- .sonic
- .soundpack
- .sp3
- .spb
- .spd
- .spf
- .spg
- .spi
- .spk
- .spo
- .spr
- .sps
- .spv
- .spvchain
- .sqd
- .sqf
- .sqllite
- .sqr
- .squashfs
- .sqx
- .srr
- .ssa
- .ssii
- .ssp
- .ssv
- .sta
- .stdl
- .stf
- .stg
- .stk
- .stl
- .stm
- .stproj
- .strings
- .strm
- .stt
- .sttpl
- .stu
- .sty
- .styk
- .stykz
- .sub
- .sud
- .suf
- .sum
- .sv$
- .sv2i
- .svc
- .svd
- .svf
- .svi
- .svr
- .svw
- .swd
- .switch
- .swk
- .sy3
- .sylk
- .syncdb
- .sys
- .szs
- .t01
- .t02
- .t03
- .t04
- .t05
- .t06
- .t07
- .t08
- .t09
- .t10
- .t11
- .t12
- .t13
- .t2k
- .t2ks
- .t2kt
- .tab
- .tac
- .tar
- .tax
- .tax08
- .tax09
- .tax10
- .tax11
- .tax12
- .tax13
- .tax2008
- .tax2009
- .tax2010
- .tax2011
- .tax2012
- .tax2013
- .tax2014
- .tbd
- .tbk
- .tbl
- .tbz2
- .tcc
- .tch
- .tcx
- .tda
- .tdb
- .tde
- .tdf
- .tdl
- .tdm
- .tdt
- .te3
- .tef
- .ter
- .tet
- .text
- .tfa
- .tfd
- .tgc
- .tgd
- .tgf
- .tgz
- .thmx
- .thp
- .tif
- .tiff
- .tig
- .tis
- .tjp
- .tk3
- .tkfl
- .tl5
- .tlb
- .tlp
- .tlx
- .tlz
- .tmd
- .tmp
- .tmr
- .tmv
- .tmvt
- .tmw
- .tmx
- .tmzip
- .toast
- .tol
- .topc
- .tor
- .torrent
- .tpc
- .tpf
- .tps
- .tpu
- .tpx
- .tpz
- .tr3
- .tra
- .tray
- .trd
- .trelby
- .trk
- .trm
- .trn
- .trp
- .trs
- .trx
- .tst
- .tsv
- .tt10
- .tt11
- .tt12
- .tt13
- .tt2012state
- .tt2013state
- .ttbk
- .ttk
- .tur
- .tvc
- .tvj
- .twb
- .twbx
- .twm
- .twz
- .twzip
- .txa
- .txd
- .txf
- .txn
- .txtrpt
- .u10
- .u11
- .u12
- .u3i
- .uax
- .ubj
- .ubox
- .uccapilog
- .uci
- .udc
- .udf
- .udl
- .uds
- .uea
- .ulf
- .ulz
- .umf
- .umx
- .unauth
- .unity3d
- .unitypackage
- .unr
- .unx
- .uof
- .uop
- .uos
- .uot
- .upd
- .update
- .upk
- .upoi
- .upr
- .url
- .usa
- .useq
- .ustar
- .usx
- .ut2
- .ut3
- .utc
- .utf8
- .utx
- .utxt
- .uud
- .uue
- .uvf
- .uvw
- .uvx
- .uwl
- .uxx
- .v2i
- .val
- .vault
- .vbm
- .vbox
- .vbox-prev
- .vbpf1
- .vbs
- .vbw
- .vcd
- .vce
- .vcf
- .vcrd
- .vcs
- .vct
- .vdf
- .vdi
- .vdo
- .vdx
- .vec
- .ver
- .vfs0
- .vip
- .vlc
- .vle
- .vlg
- .vlt
- .vmdk
- .vmf
- .vmsd
- .vmsn
- .vmss
- .vmt
- .vmx
- .vmxf
- .vnt
- .voi
- .vok
- .voxb
- .vpcbackup
- .vpk
- .vpol
- .vpp
- .vpp_pc
- .vpx
- .vrb
- .vrd
- .vsch
- .vscontent
- .vsi
- .vssm
- .vssx
- .vsv
- .vsx
- .vtf
- .vtx
- .vud
- .vxml
- .vym
- .w02
- .w3g
- .w3x
- .wab
- .wad
- .war
- .wave
- .waw
- .wb1
- .wb3
- .wbb
- .wbcat
- .wbk
- .wcat
- .wcd
- .wcf
- .wcp_settings
- .wd3
- .wdf
- .wdgt
- .wdq
- .wea
- .webdoc
- .wfm
- .wgp
- .wgt
- .wgz
- .wid
- .win
- .wjf
- .wjr
- .wk1
- .wk2
- .wk3
- .wk4
- .wk5
- .wke
- .wki
- .wks
- .wku
- .wlmp
- .wma
- .wmd
- .wmdb
- .wmmp
- .wmo
- .wmx
- .wotreplay
- .wow
- .wp4
- .wp5
- .wp6
- .wp7
- .wpa
- .wpb
- .wpc
- .wpe
- .wpf
- .wpk
- .wpl
- .wpo
- .wpost
- .wpt
- .wpw
- .wq1
- .wq2
- .wri
- .wsc
- .wsd
- .wsh
- .wsi
- .wsm
- .wspak
- .wtb
- .wtd
- .wtf
- .wtr
- .wtx
- .1CD
- .1cd
- .3dm
- .3ds
- .3fr
- .3g2
- .3gp
- .3pr
- .ab4
- .accdb
- .accde
- .accdr
- .accdt
- .ach
- .acr
- .act
- .adb
- .agd
- .ait
- .AVI
- .apj
- .arw
- .asf
- .asm
- .asp
- .asx
- .avi
- .awg
- .back
- .backup
- .backupdb
- .bak
- .bank
- .bay
- .bdb
- .bgt
- .bik
- .bkp
- .blend
- .bpw
- .cdf
- .cdr
- .cdr3
- .cdr4
- .wvp
- .wvx
- .xappl
- .xas
- .xbc
- .xbdoc
- .xbk
- .xbplate
- .xbrl
- .xbt
- .xcsl
- .xdl
- .xdp
- .xds
- .xef
- .xem
- .xer
- .xfd
- .xfdf
- .xfo
- .xfr
- .xft
- .xgml
- .xgmml
- .xgp
- .xlc
- .xlf
- .xliff
- .xll
- .xlshtml
- .xlsmhtml
- .xlthtml
- .xlv
- .xlwx
- .xmap
- .xmcd
- .xmct
- .xmlper
- .xmpz
- .xpdl
- .xpg
- .xpi
- .xpj
- .xpm
- .cdr5
- .cdr6
- .cdrw
- .cdx
- .ce2
- .cer
- .cfp
- .cgm
- .cib
- .class
- .cls
- .cpi
- .cpp
- .cr2
- .craw
- .crt
- .crw
- .epf
- .csh
- .csv
- .dac
- .db_journa
- .db3
- .dbf
- .dc2
- .dcr
- .ddd
- .ddoc
- .ddrw
- .dds
- .der
- .des
- .design
- .dgc
- .djvu
- .dng
- .doc
- .docm
- .docx
- .dot
- .dotx
- .drf
- .drw
- .dtd
- .xps
- .xpt
- .xqx
- .xrff
- .xrp
- .xry
- .xsc
- .xsl
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- .xsn
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- .xtbl
- .xtg
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- .xvid
- .xwd
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- .xy3
- .xyp
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- .xyz
- .xyzv
- .yab
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- .ybk
- .yenc
- .ygf
- .yka
- .yml
- .ync
- .yps
- .yrcbck
- .yrcbkm
- .yrcdat
- .z02
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- .zabw
- .zap
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- .dwg
- .dxb
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- .eps
- .erbsq
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- .exf
- .fdb
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- .fff
- .fhd
- .fla
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- .fpx
- .fxg
- .gray
- .grey
- .gry
- .hbk
- .hpp
- .ibank
- .ibd
- .ibz
- .idx
- .iif
- .iiq
- .incpas
- .indd
- .java
- .jpe
- .jpeg
- .jpg
- .JPG
- .kc2
- .kdbx
- .kdc
- .key
- .kpdx
- .lua
- .m4v
- .max
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- .zim
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- .zpl
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- .d3p
- .VU4
- .ALL
- .PGM
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- .HDR
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- .CFU
- .MXL
- .900
- .TSF
- .TIB
- .005
- .cop
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- .moneywel
- .mos
- .mp3
- .mp4
- .mpg
- .mrw
- .myd
- .ndd
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- .nk2
- .nop
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- .ns2
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- .nwb
- .nx2
- .nyf
- .obj
- .ods
- .p7c
- .r3d
- .mov
- .flv
- .wav
- .dcs
- .cmt
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- .odg
- .bmp
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- .ads
- .odt
- .orf
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- .p12
- .p7b
- .pages
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- .png
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- .rw2
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- .sas7bdat
- .say
- .sd0
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- .sql
- .sqlite
- .sqlite3
- .sqlitedb
- .sr2
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- .st4
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- .svg
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- .wallet
- .wb2
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- .xlr
- .xls
- .xlsb
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- .xml
- .xlsx
- .xlt
- .xltm
- .html
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- .xlw
- .ycbcra
- .yuv
- .zip
- .frm
- .MYD
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- .CAB
- .log
- .SAI
- .tib
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- .letter
- .label
- .DTA
- .COA
- .coa
- .dta.tar
- .TST
- .RSP
- .DAT
- .msg
- .x12
- .Identifier
- .PRT
- .XLS
- .dll
- .exe
- .PSD
- .PDD
- .taxform
- .pub
- .pvc
- .sds
- .vrb$$$
- .$db
- .__a
- .__b
- .{pb
- .~cw
- .~hm
- .001
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- .113
- .123
- .1pe
- .1ph
- .1st
- .3d4
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- .cms
- .cn1
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- .cnf
- .cng
- .cnm
- .cod
- .col
- .collection
- .con
- .conf
- .config
- .contact
- .cor
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- .cpio
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- .cpmz
- .cptl
- .cptx
- .crd
- .crds
- .crev
- .crtx
- .crwl
- .cry
- .crypt
- .crypted
- .cryptra
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- .csi
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- .ctm
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- .dash
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- .database
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- .dazip
- .db-
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- .dbgsym
- .db-journal
- .dbk
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- .dch
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- .dcp
- .dcpf
- .dcpr
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- .ddcx
- .ddt
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- .desc
- .desklink
- .det
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- .develve
- .deviceinfo
- .dex
- .dfg
- .dfm
- .dfproj
- .dgs
- .dhcd
- .dht
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- .dic
- .dict
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- .disc
- .disk
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- .enc
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- .epw
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- .err
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- .euc
- .ev3
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- .ev3s
- .evo
- .evt
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- .ews
- .exif
- .exl
- .exm
- .exp
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- .ezlog
- .f04
- .f06
- .f90
- .fadein
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- .fasta
- .fb2
- .fbc
- .fbf
- .fbk
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- .fbw
- .fcd
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- .fnbk
- .fnrecipes
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- .fop
- .for
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- .fountain
- .fox
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- .gallery
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- .htz5
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- .ies
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- .img
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- .indb
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- .inf
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- .ink
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- .inx
- .ipa
- .ipd
- .ipf
- .iproject
- .irock
- .irp
- .irr
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- .ist
- .isu
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- .itlp
- .itm
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- .iwd
- .iwi
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- .ix2
- .ixb
- .jac
- .jar
- .jarvis
- .jasper
- .jav
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- .jge
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- .joe
- .joined
- .jou
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- .jpf
- .jph
- .jpw
- .jrprint
- .jrtf
- .jrxml
- .jsd
- .jsda
- .json
- .jsp
- .jude
- .just
- .k25
- .kap
- .kb2
- .kbs
- .kdb
- .kde
- .kdz
- .keb
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- .kpp
- .kpr
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- .kwd
- .kwm
- .l6t
- .laccdb
- .las
- .lastlogin
- .latex
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- .layout
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- .lcn
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- .ldif
- .lef
- .lex
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- .lgf
- .lgh
- .lgi
- .lgp
- .lib
- .lib4d
- .lif
- .lis
- .lit
- .litemod
- .livereg
- .liveupdate
- .lix
- .llb
- .llx
- .lms
- .lmx
- .lngttarch2
- .lnt
- .localstorage
- .lp2
- .lp7
- .lpa
- .lpdb
- .lpp
- .lrc
- .lrcat
- .lrdata
- .lrf
- .lrs
- .lrx
- .ls3
- .lsf
- .lsl
- .lsp
- .lsr
- .lst
- .lsu
- .ltm
- .ltr
- .ltx
- .lue
- .luf
- .lut
- .lutx
- .lvivt
- .lvl
- .lvm
- .lvw
- .lw4
- .lwd
- .lwp
- .lxfml
- .lyt
- .lyx
- .m12
- .m2ts
- .m3u
- .m3u8
- .m4a
- .m4p
- .m4u
- .macbin
- .mag
- .mai
- .man
- .map
- .mapimail
- .marshal
- .mart
- .mat
- .mbb
- .mbd
- .mbf
- .mbg
- .mbk
- .mbl
- .mbox
- .mbp
- .mbsa
- .mbt
- .mbw
- .mbx
- .mc1
- .mcd
- .mcdx
- .mcgame
- .mcmeta
- .mcp
- .mcrp
- .mct
- .mcusw
- .mcxe
- .md0
- .md1
- .md2
- .md3
- .md5
- .md8
- .mdbackup
- .mdd
- .mddata
- .mdinfo
- .mdl
- .mdm
- .mdn
- .mds
- .mdx
- .mdz
- .meg
- .mega
- .mell
- .mem
- .menc
- .menu
- .meo
- .met
- .mex
- .mfe
- .mfl
- .mfo
- .mfp
- .mfu
- .mfv
- .mgc
- .mhp
- .mic
- .mid
- .mig
- .mim
- .mime
- .min
- .mip
- .mit
- .mjd
- .mjk
- .mk4
- .mkv
- .mlb
- .mls
- .mlx
- .mm6
- .mm7
- .mm8
- .mmap
- .mmc
- .mmcollection
- .mme
- .mml
- .mmp
- .mmu
- .mmz
- .mnc
- .mnk
- .mno
- .mnt
- .mny
- .mobi
- .mod
- .modd
- .moho
- .mol
- .moneywell
- .mosaic
- .movie
- .mox
- .moz
- .mp1
- .mp2
- .mp4v
- .mpa
- .mpb
- .mpe
- .mpeg
- .mpi
- .mpj
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- .mpq
- .mpqe
- .mpqge
- .mpt
- .mpv2
- .mpx
- .mpz
- .mpzip
- .mq4
- .mrwref
- .ms10
- .ms8
- .msb
- .msct
- .mse
- .msi
- .msif
- .msp
- .mth
- .mts
- .mtt
- .mtw
- .mtxt
- .muf
- .mui
- .mup
- .mv_
- .mwf
- .mwp
- .mws
- .mwx
- .mxad
- .mxc2
- .mxdic
- .mxi
- .mxp
- .myi
- .nam
- .nas
- .nav
- .nb7
- .nba
- .nbak
- .nbd
- .nbe
- .nbf
- .nbi
- .nbk
- .nbp
- .nbs
- .nbu
- .ncd
- .ncf
- .nco
- .ncorx
- .ndb
- .ndf
- .ndif
- .ndk
- .nds
- .ndx
- .nessus
- .net
- .neta
- .nfb
- .nfc
- .nfl
- .nfo
- .nitf
- .njx
- .nlogo
- .nlogo3d
- .nmap
- .nmind
- .nmp
- .nni
- .nnp
- .not
- .notebook
- .notes
- .now
- .npf
- .npl
- .npr
- .nps
- .npt
- .nrb
- .nrbak
- .nrc
- .nrd
- .nrf
- .nrg
- .nri
- .nrl
- .nrm
- .nrs
- .nru
- .nrx
- .nsq
- .nsr
- .ntl
- .number
- .nv2
- .nvdl
- .nvm
- .nvram
- .nwbak
- .nwctxt
- .nws
- .nx1
- .nxl
- .nzb
- .oab
- .obd
- .obk
- .occ
- .ocd
- .ocr
- .odc
- .odi
- .odo
- .odx
- .oeaccount
- .oeb
- .ofc
- .ofl
- .ofm
- .oft
- .ofx
- .oga
- .ogg
- .ogs
- .oil
- .old
- .olk
- .olt
- .omcs
- .omp
- .ond
- .one
- .onepkg
- .ont
- .ontx
- .op2
- .op4
- .opal
- .opax
- .opd
- .openbsd
- .opf
- .opx
- .or2
- .or3
- .or4
- .or5
- .or6
- .org
- .ori
- .orig
- .ort
- .ost
- .otf
- .otl
- .otln
- .otx
- .out
- .ova
- .ovf
- .ovl
It renames encrypted files using the following names:
- {Original File Name and Extension}.[no.btc@protonmail.ch].cryptobyte
It does the following:
- Execute the following commands:
- vssadmin.exe delete shadows /all /quiet
- bcdedit.exe /set {default} recoveryenabled No
- bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
- Avoids encrypting filepaths containing the following strings:
- $recycle.bin
- program files
- program files (x86)
- programdata
- windows
- nvidia
- intel
- appdata
- temp
- Display the following Ransom Note:
SOLUTION
9.850
13.364.08
26 Apr 2017
13.365.00
27 Apr 2017
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.
Step 3
Restart in Safe Mode
Step 4
Delete this registry value
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- btq = %Application Data%\mfskSkfkls.exe
- btq = %Application Data%\mfskSkfkls.exe
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- insbtq = %Application Data%\#_HOW_TO_FIX.inf
- insbtq = %Application Data%\#_HOW_TO_FIX.inf
Step 5
Search and delete this file
- {Encrypted files directory}\#_HOW_TO_FIX.inf
- %Application Data%\#_HOW_TO_FIX.inf
- %Desktop%\#_HOW_TO_FIX.inf
- %Application Data%\mfskSkfkls.exe
- %Application Data%\1.bmp
- %Desktop%\key.dat
Step 6
Restart in normal mode and scan your computer with your Trend Micro product for files detected as RANSOM_BTCWARE.F117DQ. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
Step 7
Reset your Desktop properties
Step 8
Restore encrypted files from backup.
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