RANSOM_MAGNIBER.P
Trojan-Ransom.Win32.Magni.n (Kaspersky), Trojan:Win32/Tiggre!rfn (Microsoft)
Windows
Threat Type: Ransomware
Destructiveness: No
Encrypted:
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 encrypts files with specific file extensions.
TECHNICAL DETAILS
215,040 bytes
EXE
Yes
14 Dec 2017
Connects to URLs/IPs, Displays message/message boxes, 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:
- %Temp%\wmfxdqz.exe
(Note: %Temp% is the Windows temporary folder, where it usually is C:\Windows\Temp on all Windows operating system versions.)
It adds the following mutexes to ensure that only one of its copies runs at any one time:
- wmfxdqz
Other Details
This Ransomware connects to the following website to send and receive information:
- http://{BLOCKED}9oq33ib34s2pp.{Sub Domain}/6345startingcs42c9q4esF3Ib5M
- Where {Sub Domain} can be any of the following:
- Newvery.agency
- Getstart.services
- Deskfly.website
- Treemad.services
It does the following:
- Only targets systems that use Korean language.
- Executes the following commands to terminate and delete itself if the user uses a Non-Korean Language system:
- cmd /c timeout 3 & del {Directory of Malware}
- Executes the the following command to delete the shadow copy of the infected system:
- "cmd.exe" /c "%System%\wbem\wmic shadowcopy delete"
- It encrypts all files in fixed and network drives.
- It drops a ransom note in every directory it encrypts. The ransom note contains the following:
- Adds the following scheduled tasks:
- wmfxdqz
- Executes every 15 mins
- Executes the following command to execute the copied malware:
- "pcalua.exe -a {Copied Malware}"
- wmfxdqz
- {Random 20 Characters}
- Executes every 1 hour to connect to the Ransomware URL
- Executes the following command to connect to the Ransom URL:
- "-a iexplore.exe -c http://{BLOCKED}9oq33ib34s2pp.newvery.{BLOCKED}/6345startingcs42c9q4esF3Ib5M ""
- {Random 19 Characters}
- Executes every 15 minutes to show the Ransom Note
- Executes the following command:
- "-a notepad.exe -c %AppDataLocal%\READ_FOR_DECRYPT.txt""
Ransomware Routine
This Ransomware encrypts files with the following extensions:
- .dot
- .dotm
- .dotx
- .xlsm
- .xlsb
- .xlw
- .xlt
- .xlm
- .xlc
- .xltx
- .xltm
- .pptm
- .pot
- .pps
- .ppsm
- .ppsx
- .ppam
- .potx
- .potm
- .edb
- .hwp
- .602
- .sxi
- .sti
- .sldx
- .sldm
- .vdi
- .vmx
- .gpg
- .aes
- .raw
- .cgm
- .nef
- .psd
- .ai
- .svg
- .djvu
- .sh
- .class
- .jar
- .java
- .rb
- .asp
- .php
- .jsp
- .brd
- .sch
- .dch
- .dip
- .vb
- .vbs
- .ps1
- .js
- .asm
- .pas
- .cpp
- .cs
- .suo
- .sln
- .ldf
- .mdf
- .ibd
- .myi
- .myd
- .frm
- .odb
- .dbf
- .db
- .mdb
- .accdb
- .sq
- .sqlitedb.
- .sqlite3
- .asc
- .lay6
- .lay
- .mm
- .sxm
- .otg
- .odg
- .uop
- .std
- .sxd
- .otp
- .odp
- .wb2
- .slk
- .dif
- .stc
- .sxc
- .ots
- .ods
- .3dm
- .max
- .3ds
- .uot
- .stw
- .sxw
- .ott
- .odt
- .pem
- .p12
- .csr
- .crt
- .key
- .pfx
- .der
- .1cd
- .cd
- .arw
- .jpe
- .eq
- .adp
- .odm
- .dbc
- .frx
- .db2
- .dbs
- .pds
- .pdt
- .dt
- .cf
- .cfu
- .mx
- .epf
- .kdbx
- .erf
- .vrp
- .grs
- .geo
- .st
- .pff
- .mft
- .efd
- .rib
- .ma
- .lwo
- .lws
- .m3d
- .mb
- .obj
- .x3d
- .c4d
- .fbx
- .dgn
- .4db
- .4d
- .4mp
- .abs
- .adn
- .a3d
- .aft
- .ahd
- .alf
- .ask
- .awdb
- .azz
- .bdb
- .bib
- .bnd
- .bok
- .btr
- .cdb
- .ckp
- .clkw
- .cma
- .crd
- .dad
- .daf
- .db3
- .dbk
- .dbt
- .dbv
- .dbx
- .dcb
- .dct
- .dcx
- .dd
- .df1
- .dmo
- .dnc
- .dp1
- .dqy
- .dsk
- .dsn
- .dta
- .dtsx
- .dx
- .eco
- .ecx
- .emd
- .fcd
- .fic
- .fid
- .fi
- .fm5
- .fo
- .fp3
- .fp4
- .fp5
- .fp7
- .fpt
- .fzb
- .fzv
- .gdb
- .gwi
- .hdb
- .his
- .ib
- .idc
- .ihx
- .itdb
- .itw
- .jtx
- .kdb
- .lgc
- .maq
- .mdn
- .mdt
- .mrg
- .mud
- .mwb
- .s3m
- .ndf
- .ns2
- .ns3
- .ns4
- .nsf
- .nv2
- .nyf
- .oce
- .oqy
- .ora
- .orx
- .owc
- .owg
- .oyx
- .p96
- .p97
- .pan
- .pdb
- .pdm
- .phm
- .pnz
- .pth
- .pwa
- .qpx
- .qry
- .qvd
- .rctd
- .rdb
- .rpd
- .rsd
- .sbf
- .sdb
- .sdf
- .spq
- .sqb
- .stp
- .str
- .tcx
- .tdt
- .te
- .tmd
- .trm
- .udb
- .usr
- .v12
- .vdb
- .vpd
- .wdb
- .wmdb
- .xdb
- .xld
- .xlgc
- .zdb
- .zdc
- .cdr
- .cdr3
- .abw
- .act
- .aim
- .ans
- .apt
- .ase
- .aty
- .awp
- .awt
- .aww
- .bad
- .bbs
- .bdp
- .bdr
- .bean
- .bna
- .boc
- .btd
- .cnm
- .crw
- .cyi
- .dca
- .dgs
- .diz
- .dne
- .docz
- .dsv
- .dvi
- .dx
- .eio
- .eit
- .emlx
- .epp
- .err
- .etf
- .etx
- .euc
- .faq
- .fb2
- .fb
- .fcf
- .fdf
- .fdr
- .fds
- .fdt
- .fdx
- .fdxt
- .fes
- .fft
- .flr
- .fodt
- .gtp
- .frt
- .fwdn
- .fxc
- .gdoc
- .gio
- .gpn
- .gsd
- .gthr
- .gv
- .hbk
- .hht
- .hs
- .htc
- .hz
- .idx
- .ii
- .ipf
- .jis
- .joe
- .jp1
- .jrtf
- .kes
- .klg
- .knt
- .kon
- .kwd
- .lbt
- .lis
- .lit
- .lnt
- .lp2
- .lrc
- .lst
- .ltr
- .ltx
- .lue
- .luf
- .lwp
- .lyt
- .lyx
- .man
- .map
- .mbox
- .me
- .mel
- .min
- .mnt
- .mwp
- .nfo
- .njx
- .now
- .nzb
- .ocr
- .odo
- .of
- .oft
- .ort
- .p7s
- .pfs
- .pjt
- .prt
- .psw
- .pu
- .pvj
- .pvm
- .pwi
- .pwr
- .qd
- .rad
- .rft
- .ris
- .rng
- .rpt
- .rst
- .rt
- .rtd
- .rtx
- .run
- .rzk
- .rzn
- .saf
- .sam
- .scc
- .scm
- .sct
- .scw
- .sdm
- .sdoc
- .sdw
- .sgm
- .sig
- .sla
- .sls
- .smf
- .sms
- .ssa
- .sty
- .sub
- .sxg
- .tab
- .tdf
- .tex
- .text
- .thp
- .tlb
- .tm
- .tmv
- .tmx
- .tpc
- .tvj
- .u3d
- .u3i
- .unx
- .uof
- .upd
- .utf8
- .utxt
- .vct
- .vnt
- .vw
- .wbk
- .wcf
- .wgz
- .wn
- .wp
- .wp4
- .wp5
- .wp6
- .wp7
- .wpa
- .wpd
- .wp
- .wps
- .wpt
- .wpw
- .wri
- .wsc
- .wsd
- .wsh
- .wtx
- .xd
- .xlf
- .xps
- .xwp
- .xy3
- .xyp
- .xyw
- .ybk
- .ym
- .zabw
- .zw
- .abm
- .afx
- .agif
- .agp
- .aic
- .albm
- .apd
- .apm
- .apng
- .aps
- .apx
- .art
- .asw
- .bay
- .bm2
- .bmx
- .brk
- .brn
- .brt
- .bss
- .bti
- .c4
- .ca
- .cals
- .can
- .cd5
- .cdc
- .cdg
- .cimg
- .cin
- .cit
- .colz
- .cpc
- .cpd
- .hpi
- .i3d
- .icn
- .icon
- .icpr
- .iiq
- .info
- .ipx
- .itc2
- .iwi
- .j2c
- .j2k
- .jas
- .jb2
- .jbig
- .jbmp
- .jbr
- .jfif
- .jia
- .jng
- .jp2
- .jpg2
- .jps
- .jpx
- .jtf
- .jw
- .jxr
- .kdc
- .kdi
- .kdk
- .kic
- .kpg
- .lbm
- .ljp
- .mac
- .mbm
- .mef
- .mnr
- .mos
- .mpf
- .mpo
- .mrxs
- .my
- .ncr
- .nct
- .nlm
- .nrw
- .oc3
- .oc4
- .oc5
- .oci
- .omf
- .oplc
- .af2
- .af3
- .asy
- .cdmm
- .cdmt
- .cdmz
- .cdt
- .cmx
- .cnv
- .csy
- .cv5
- .cvg
- .cvi
- .cvs
- .cvx
- .cwt
- .cxf
- .dcs
- .ded
- .dhs
- .dpp
- .drw
- .dxb
- .dxf
- .egc
- .emf
- .ep
- .eps
- .epsf
- .fh10
- .fh11
- .fh3
- .fh4
- .fh5
- .fh6
- .fh7
- .fh8
- .fif
- .fig
- .fmv
- .ft10
- .ft11
- .ft7
- .ft8
- .ft9
- .ftn
- .fxg
- .gem
- .glox
- .hpg
- .hpg
- .hp
- .idea
- .igt
- .igx
- .imd
- .ink
- .lmk
- .mgcb
- .mgmf
- .mgmt
- .mt9
- .mgmx
- .mgtx
- .mmat
- .mat
- .ovp
- .ovr
- .pcs
- .pfv
- .plt
- .vrm
- .pobj
- .psid
- .rd
- .scv
- .sk1
- .sk2
- .ssk
- .stn
- .svf
- .svgz
- .tlc
- .tne
- .ufr
- .vbr
- .vec
- .vm
- .vsdm
- .vstm
- .stm
- .vstx
- .wpg
- .vsm
- .xar
- .ya
- .orf
- .ota
- .oti
- .ozb
- .ozj
- .ozt
- .pa
- .pano
- .pap
- .pbm
- .pc1
- .pc2
- .pc3
- .pcd
- .pdd
- .pe4
- .pef
- .pfi
- .pgf
- .pgm
- .pi1
- .pi2
- .pi3
- .pic
- .pict
- .pix
- .pjpg
- .pm
- .pmg
- .pni
- .pnm
- .pntg
- .pop
- .pp4
- .pp5
- .ppm
- .prw
- .psdx
- .pse
- .psp
- .ptg
- .ptx
- .pvr
- .px
- .pxr
- .pz3
- .pza
- .pzp
- .pzs
- .z3d
- .qmg
- .ras
- .rcu
- .rgb
- .rgf
- .ric
- .riff
- .rix
- .rle
- .rli
- .rpf
- .rri
- .rs
- .rsb
- .rsr
- .rw2
- .rw
- .s2mv
- .sci
- .sep
- .sfc
- .sfw
- .skm
- .sld
- .sob
- .spa
- .spe
- .sph
- .spj
- .spp
- .sr2
- .srw
- .wallet
- .jpeg
- .jpg
- .vmdk
- .arc
- .paq
- .bz2
- .tbk
- .bak
- .tar
- .tgz
- .gz
- .7z
- .rar
- .zip
- .backup
- .iso
- .vcd
- .bmp
- .png
- .gif
- .tif
- .tiff
- .m4u
- .m3u
- .mid
- .wma
- .flv
- .3g2
- .mkv
- .3gp
- .mp4
- .mov
- .avi
- .asf
- .mpeg
- .vob
- .mpg
- .wmv
- .fla
- .swf
- .wav
- .mp3
- .cpg
- .cps
- .cpx
- .cr2
- .ct
- .dc2
- .dcr
- .dds
- .dgt
- .dib
- .djv
- .dm3
- .dmi
- .vue
- .dpx
- .wire
- .drz
- .dt2
- .dtw
- .dv
- .ecw
- .eip
- .exr
- .fa
- .fax
- .fpos
- .fpx
- .g3
- .gcdp
- .gfb
- .gfie
- .ggr
- .gih
- .gim
- .spr
- .scad
- .gpd
- .gro
- .grob
- .hdp
- .hdr
It avoids encrypting files found in the following folders:
- :\documents and settings\all users\
- :\documents and settings\default user\
- :\documents and settings\localservice\
- :\documents and settings\networkservice\
- \appdata\local\
- \appdata\locallow\
- \appdata\roaming\
- \local settings\
- \public\music\sample music\
- \public\pictures\sample pictures\
- \public\videos\sample videos\
- \tor browser\
- \$recycle.bin
- \$windows.~bt
- \$windows.~ws
- \boot
- \intel
- \msocache
- \perflogs
- \program files (x86)
- \program files
- \programdata
- \recovery
- \recycled
- \recycler
- \system volume information
- \windows.old
- \windows10upgrade
- \windows
- \winnt
It appends the following extension to the file name of the encrypted files:
- .wmfxdqz
SOLUTION
9.850
13.842.03
13 Dec 2017
13.843.00
14 Dec 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
Search and delete these files
- %Temp%\wmfxdqz.exe
- %System%\Tasks\wmfxdqz
- %System%\Tasks\{Random 19 Characters}
Step 4
Scan your computer with your Trend Micro product to delete files detected as RANSOM_MAGNIBER.P. 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 the following Trend Micro Support pages for more information:
Step 5
Restore encrypted files from backup.
Did this description help? Tell us how we did.