RANSOM_MOWARE.A
Trojan:Win32/Skeeyah.A!rfn (Microsoft); Trojan.MSIL.Agent.actgw ( KASPERSKY)
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.
It connects to certain websites to send and receive information. It deletes the initially executed copy of itself.
It encrypts files with specific file extensions. It encrypts files found in specific folders.
TECHNICAL DETAILS
307,712 bytes
EXE
Yes
21 May 2017
Connects to URLs/IPs, 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 a copy of itself in the following folders using different file names:
- %Application Data%\MoWare_H\MoWare H.F.D\1.0.0.0\MoWare H.F.D.exe - System attribute
(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:
- %AppDataLocal%\MoWare_H\MoWare_H.F.D.exe_Url_rufr5bwlal3kafxk0nnjweqsvzqznffz\1.0.0.0\user.config
(Note: %AppDataLocal% is the Application Data folder found in Local Settings, where it is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local 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 creates the following folders:
- %Application Data%\MoWare_H
- %Application Data%\MoWare_H\MoWare H.F.D
- %Application Data%\MoWare_H\MoWare H.F.D\1.0.0.0
- %AppDataLocal%\MoWare_H
- %AppDataLocal%\MoWare_H\MoWare_H.F.D.exe_Url_rufr5bwlal3kafxk0nnjweqsvzqznffz
- %AppDataLocal%\MoWare_H\MoWare_H.F.D.exe_Url_rufr5bwlal3kafxk0nnjweqsvzqznffz\1.0.0.0
(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.. %AppDataLocal% is the Application Data folder found in Local Settings, where it is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local 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.)
Autostart Technique
This Ransomware adds the following registry entries to enable its automatic execution at every system startup:
HKCU\Software\Microsoft\
Windows\CurrentVersion\Run
MoWare H.F.D = %Application Data%\MoWare_H\MoWare H.F.D\1.0.0.0\MoWare H.F.D.exe
Other System Modifications
This Ransomware adds the following registry entries:
HKCU\Software\Microsoft\
Windows\CurrentVersion\Policies\
System
DisableRegistryTools = 1
HKCU\Software\Microsoft\
Windows\CurrentVersion\Policies\
System
DisableTaskMgr = 1
HKCU\Software\Microsoft\
Windows\CurrentVersion\Policies\
System
DisableCMD = 1
Other Details
This Ransomware connects to the following website to send and receive information:
- http://{BLOCKED}uvenkaya.com/heyko/gen.php?generate={Machine Name} / {User Name}&hwid={Encrypted MAC address}
It deletes the initially executed copy of itself
Ransomware Routine
This Ransomware encrypts files with the following extensions:
- dat
- .mx0
- .cd
- .pdb
- .xqx
- .old
- .cnt
- .rtp
- .qss
- .qst
- .fx0
- .fx1
- .ipg
- .ert
- .pic
- .img
- .cur
- .fxr
- .slk
- .m4u
- .mpe
- .mov
- .wmv
- .mpg
- .vob
- .mpeg
- .3g2
- .m4v
- .avi
- .mp4
- .flv
- .mkv
- .3gp
- .asf
- .m3u
- .m3u8
- .wav
- .mp3
- .m4a
- .m
- .rm
- .flac
- .mp2
- .mpa
- .aac
- .wma
- .djv
- .djvu
- .jpeg
- .jpg
- .bmp
- .png
- .jp2
- .lz
- .rz
- .zipx
- .gz
- .bz2
- .s7z
- .tar
- .7z
- .tgz
- .rar
- .ziparc
- .paq
- .bak
- .set
- .back
- .std
- .vmx
- .vmdk
- .vdi
- .qcow
- .ini
- .accd
- .db
- .sqli
- .sdf
- .mdf
- .myd
- .frm
- .odb
- .myi
- .dbf
- .indb
- .mdb
- .ibd
- .sql
- .cgn
- .dcr
- .fpx
- .pcx
- .rif
- .tga
- .wpg
- .wi
- .wmf
- .tif
- .xcf
- .tiff
- .xpm
- .nef
- .orf
- .ra
- .bay
- .pcd
- .dng
- .ptx
- .r3d
- .raf
- .rw2
- .rwl
- .kdc
- .yuv
- .sr2
- .srf
- .dip
- .x3f
- .mef
- .raw
- .log
- .odg
- .uop
- .potx
- .potm
- .pptx
- .rsspptm
- .aaf
- .xla
- .sxd
- .pot
- .eps
- .as3
- .pns
- .wpd
- .wps
- .msg
- .pps
- .xlam
- .xll
- .ost
- .sti
- .sxi
- .otp
- .odp
- .wks
- .vcf
- .xltx
- .xltm
- .xlsx
- .xlsm
- .xlsb
- .cntk
- .xlw
- .xlt
- .xlm
- .xlc
- .dif
- .sxc
- .vsd
- .ots
- .prn
- .ods
- .hwp
- .dotm
- .dotx
- .docm
- .docx
- .dot
- .cal
- .shw
- .sldm
- .txt
- .csv
- .mac
- .met
- .wk3
- .wk4
- .uot
- .rtf
- .sldx
- .xls
- .ppt
- .stw
- .sxw
- .dtd
- .eml
- .ott
- .odt
- .doc
- .odm
- .ppsm
- .xlr
- .odc
- .xlk
- .ppsx
- .obi
- .ppam
- .text
- .docb
- .wb2
- .mda
- .wk1
- .sxm
- .otg
- .oab
- .cmd
- .bat
- .h
- .asx
- .lua
- .pl
- .as
- .hpp
- .clas
- .js
- .fla
- .py
- .rb
- .jsp
- .cs
- .c
- .jar
- .java
- .asp
- .vb
- .vbs
- .asm
- .pas
- .cpp
- .xml
- .php
- .plb
- .asc
- .lay6
- .pp4
- .pp5
- .ppf
- .pat
- .sct
- .ms11
- .lay
- .iff
- .ldf
- .tbk
- .swf
- .brd
- .css
- .dxf
- .dds
- .efx
- .sch
- .dch
- .ses
- .mml
- .fon
- .gif
- .psd
- .html
- .ico
- .ipe
- .dwg
- .jng
- .cdr
- .aep
- .aepx
- .123
- .prel
- .prpr
- .aet
- .fim
- .pfb
- .ppj
- .indd
- .mhtm
- .cmx
- .cpt
- .csl
- .indl
- .dsf
- .ds4
- .drw
- .indt
- .pdd
- .per
- .lcd
- .pct
- .prf
- .pst
- .inx
- .plt
- .idml
- .pmd
- .psp
- .ttf
- .3dm
- .ai
- .3ds
- .ps
- .cpx
- .str
- .cgm
- .clk
- .cdx
- .xhtm
- .cdt
- .fmv
- .aes
- .gem
- .max
- .svg
- .mid
- .iif
- .nd
- .2017
- .tt20
- .qsm
- .2015
- .2014
- .2013
- .aif
- .qbw
- .qbb
- .qbm
- .ptb
- .qbi
- .qbr
- .2012
- .des
- .v30
- .qbo
- .stc
- .lgb
- .qwc
- .qbp
- .qba
- .tlg
- .qbx
- .qby
- .1pa
- .ach
- .qpd
- .gdb
- .tax
- .qif
- .t14
- .qdf
- .ofx
- .qfx
- .t13
- .ebc
- .ebq
- .2016
- .tax2
- .mye
- .myox
- .ets
- .tt14
- .epb
- .500
- .txf
- .t15
- .t11
- .gpc
- .qtx
- .itf
- .tt13
- .t10
- .qsd
- .iban
- .ofc
- .bc9
- .mny
- .13t
- .qxf
- .amj
- .m14
- ._vc
- .tbp
- .qbk
- .aci
- .npc
- .qbmb
- .sba
- .cfp
- .nv2
- .tfx
- .n43
- .let
- .tt12
- .210
- .dac
- .slp
- .qb20
- .saj
- .zdb
- .tt15
- .ssg
- .t09
- .epa
- .qch
- .pd6
- .rdy
- .sic
- .ta1
- .lmr
- .pr5
- .op
- .sdy
- .brw
- .vnd
- .esv
- .kd3
- .vmb
- .qph
- .t08
- .qel
- .m12
- .pvc
- .q43
- .etq
- .u12
- .hsr
- .ati
- .t00
- .mmw
- .bd2
- .ac2
- .qpb
- .tt11
- .zix
- .ec8
- .nv
- .lid
- .qmtf
- .hif
- .lld
- .quic
- .mbsb
- .nl2
- .qml
- .wac
- .cf8
- .vbpf
- .m10
- .qix
- .t04
- .qpg
- .quo
- .ptdb
- .gto
- .pr0
- .vdf
- .q01
- .fcr
- .gnc
- .ldc
- .t05
- .t06
- .tom
- .tt10
- .qb1
- .t01
- .rpf
- .t02
- .tax1
- .1pe
- .skg
- .pls
- .t03
- .xaa
- .dgc
- .mnp
- .qdt
- .mn8
- .ptk
- .t07
- .chg
- .#vc
- .qfi
- .acc
- .m11
- .kb7
- .q09
- .esk
- .09i
- .cpw
- .sbf
- .mql
- .dxi
- .kmo
- .md
- .u11
- .oet
- .ta8
- .efs
- .h12
- .mne
- .ebd
- .fef
- .qpi
- .mn5
- .exp
- .m16
- .09t
- .00c
- .qmt
- .cfdi
- .u10
- .s12
- .qme
- .int?
- .cf9
- .ta5
- .u08
- .mmb
- .qnx
- .q07
- .tb2
- .say
- .ab4
- .pma
- .defx
- .tkr
- .q06
- .tpl
- .ta2
- .qob
- .m15
- .fca
- .eqb
- .q00
- .mn4
- .lhr
- .t99
- .mn9
- .qem
- .scd
- .mwi
- .mrq
- .q98
- .i2b
- .mn6
- .q08
- .kmy
- .bk2
- .stm
- .mn1
- .bc8
- .pfd
- .bgt
- .hts
- .tax0
- .cb
- .resx
- .mn7
- .08i
- .mn3
- .ch
- .meta
- .07i
- .rcs
- .dtl
- .ta9
- .mem
- .seam
- .btif
- .11t
- .efsl
- .$ac
- .emp
- .imp
- .fxw
- .sbc
- .bpw
- .mlb
- .10t
- .fa1
- .saf
- .trm
- .fa2
- .pr2
- .xeq
- .sbd
- .fcpa
- .ta6
- .tdr
- .acm
- .lin
- .dsb
- .vyp
- .emd
- .pr1
- .mn2
- .bpf
- .mws
- .h11
- .pr3
- .gsb
- .mlc
- .nni
- .cus
- .ldr
- .ta4
- .inv
- .omf
- .reb
- .qdfx
- .pg
- .coa
- .rec
- .rda
- .ffd
- .ml2
- .ddd
- .ess
- .qbmd
- .afm
- .d07
- .vyr
- .acr
- .dtau
- .ml9
- .bd3
- .pcif
- .cat
- .h10
- .ent
- .fyc
- .p08
- .jsd
- .zka
- .hbk
- .bkf
- .mone
- .pr4
- .qw5
- .cdf
- .gfi
- .cht
- .por
- .qbz
- .ens
- .3pe
- .pxa
- .intu
- .trn
- .3me
- .07g
- .jsda
- .2011
- .fcpr
- .qwmo
- .t12
- .pfx
- .p7b
- .der
- .nap
- .p12
- .p7c
- .crt
- .csr
- .pem
- .gpg
- .key
It encrypts files found in the following folders:
- %System%\
- %User Profile%\Documents\
- %User Profile%\Music\
- %User Profile%\Pictures\
- %Application Data%\Microsoft\Windows\Cookies\
- %Desktop%\
(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.. %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.)
It appends the following extension to the file name of the encrypted files:
- .H_F_D_locked
NOTES:
This Ransomware displays the following window as its ransom note:
SOLUTION
9.850
13.426.08
24 May 2017
13.427.00
25 May 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
- MoWare H.F.D = %Application Data%\MoWare_H\MoWare H.F.D\1.0.0.0\MoWare H.F.D.exe
- MoWare H.F.D = %Application Data%\MoWare_H\MoWare H.F.D\1.0.0.0\MoWare H.F.D.exe
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System
- DisableTaskMgr = 1
- DisableTaskMgr = 1
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System
- DisableCMD = 1
- DisableCMD = 1
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System
- DisableRegistryTools = 1
- DisableRegistryTools = 1
Step 5
Search and delete this folder
- %Application Data%\MoWare_H
- %Application Data%\MoWare_H\MoWare H.F.D
- %Application Data%\MoWare_H\MoWare H.F.D\1.0.0.0
- %AppDataLocal%\MoWare_H
- %AppDataLocal%\MoWare_H\MoWare_H.F.D.exe_Url_rufr5bwlal3kafxk0nnjweqsvzqznffz
- %AppDataLocal%\MoWare_H\MoWare_H.F.D.exe_Url_rufr5bwlal3kafxk0nnjweqsvzqznffz\1.0.0.0
Step 6
Search and delete these files
- %AppDataLocal%\MoWare_H\MoWare_H.F.D.exe_Url_rufr5bwlal3kafxk0nnjweqsvzqznffz\1.0.0.0\user.config
- %Application Data%\MoWare_H\MoWare H.F.D\1.0.0.0\MoWare H.F.D.exe
Step 7
Restart in normal mode and scan your computer with your Trend Micro product for files detected as RANSOM_MOWARE.A. 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 8
Restore encrypted files from backup.
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