RANSOM_CRYPJAFF.N
Windows
Threat Type: Ransomware
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
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 deletes itself after execution.
It encrypts files with specific file extensions. It drops files as ransom note.
TECHNICAL DETAILS
188,416 bytes
EXE
Yes
16 May 2017
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.
Other System Modifications
This Ransomware changes the desktop wallpaper by modifying the following registry entries:
HKEY_CURRENT_USER\Control Panel\Desktop
Wallpaper = "%ProgramData%\Rondo\WallpapeR.bmp"
Other Details
This Ransomware connects to the following possibly malicious URL:
- http://{BLOCKED}offde445.com
- http://{BLOCKED}.{BLOCKED}.107.213:80
- http://{BLOCKED}offde445.com/a5/
It deletes itself after execution.
Ransomware Routine
This Ransomware encrypts files with the following extensions:
- .001
- .002
- .004
- .005
- .006
- .007
- .008
- .009
- .00BE279C
- .010
- .1cd
- .3dm
- .3ds
- .3fr
- .3g2
- .3pr
- .7ZIP
- .7z
- .MPEG
- .aac
- .ab4
- .accdb
- .accde
- .accdt
- .acd
- .ach
- .acr
- .act
- .adb
- .adp
- .ads
- .agdl
- .ai
- .aif
- .aiff
- .ait
- .al
- .aoi
- .apj
- .arw
- .as4
- .asf
- .asm
- .asp
- .asx
- .avi
- .awg
- .back
- .backup
- .backupdb
- .bak
- .bank
- .bay
- .bdb
- .bgt
- .bik
- .bin
- .bkp
- .blend
- .bmp
- .bpw
- .c
- .cad
- .cbr
- .cdf
- .cdr
- .cdr3
- .cdr4
- .cdr5
- .cdr6
- .cdrw
- .cdx
- .ce1
- .ce2
- .cer
- .cfg
- .cgm
- .cib
- .class
- .cls
- .cmt
- .config
- .contact
- .cpi
- .cpp
- .cr2
- .craw
- .crt
- .crw
- .cs
- .csh
- .csl
- .css
- .csv
- .dac
- .dat
- .db
- .db3
- .db_journal
- .dbf
- .dbx
- .dc2
- .dcr
- .dcs
- .ddd
- .ddoc
- .ddrw
- .dds
- .deb
- .der
- .des
- .design
- .dgc
- .dit
- .djvu
- .dng
- .doc
- .docm
- .docx
- .dot
- .dotm
- .dotx
- .drf
- .drw
- .dsr
- .dtd
- .dwg
- .dxb
- .dxf
- .dxg
- .edb
- .eml
- .eps
- .erbsql
- .erd
- .exf
- .fdb
- .ffd
- .fff
- .fh
- .fhd
- .fif
- .fla
- .flac
- .flv
- .flvv
- .fpx
- .fxg
- .gif
- .gray
- .grey
- .groups
- .gry
- .gz
- .h
- .hbk
- .hdd
- .hpp
- .htm
- .html
- .ibank
- .ibd
- .ibz
- .ico
- .ics
- .idf
- .idx
- .iff
- .iif
- .iiq
- .incpas
- .indd
- .java
- .jnt
- .jpe
- .jpeg
- .jpg
- .js
- .kc2
- .kdbx
- .kdc
- .key
- .kpdx
- .kwm
- .laccdb
- .lit
- .log
- .lua
- .m
- .m2ts
- .m3u
- .m4a
- .m4p
- .m4v
- .mapimail
- .max
- .mbx
- .md
- .mdb
- .mdc
- .mdf
- .mdi
- .mef
- .mfw
- .mid
- .mix
- .mkv
- .mlb
- .mmw
- .mny
- .moneywell
- .mos
- .mov
- .mp3
- .mp4
- .mpd
- .mpg
- .mrw
- .msg
- .myd
- .nd
- .ndd
- .ndf
- .nef
- .nk
- .nop
- .nrw
- .ns2
- .ns3
- .ns4
- .nsd
- .nsf
- .nsg
- .nsh
- .nvram
- .nwb
- .nx2
- .nxl
- .nyf
- .oab
- .obd
- .obj
- .obt
- .odb
- .odc
- .odf
- .odg
- .odm
- .odp
- .ods
- .odt
- .ogg
- .oil
- .ord
- .ost
- .otg
- .oth
- .otp
- .ots
- .ott
- .ova
- .p12
- .p7b
- .p7c
- .pab
- .pages
- .par
- .pas
- .pat
- .pcd
- .pct
- .pdb
- .pdd
- .pef
- .pem
- .pfx
- .php
- .pif
- .pl
- .plc
- .plus_muhd
- .png
- .pot
- .potm
- .potx
- .ppam
- .pps
- .ppsm
- .ppsx
- .ppt
- .pptm
- .pptx
- .prf
- .prn
- .ps
- .psafe3
- .psd
- .pspimage
- .pst
- .ptx
- .pub
- .pwm
- .py
- .qba
- .qbb
- .qbm
- .qbr
- .qbw
- .qbx
- .qby
- .qcow
- .qcow2
- .qed
- .r3d
- .raf
- .rar
- .rat
- .raw
- .rdb
- .rm
- .rpm
- .rtf
- .rvt
- .rw2
- .rwz
- .s3db
- .safe
- .sas7bdat
- .sav
- .save
- .say
- .sd0
- .sda
- .sdf
- .sitx
- .sldm
- .sldx
- .sql
- .sqlite
- .sqlite3
- .sqlitedb
- .sr
- .srf
- .srt
- .srw
- .st4
- .st5
- .st6
- .st7
- .st8
- .stc
- .std
- .sti
- .stl
- .stm
- .stw
- .stx
- .svg
- .swf
- .swm
- .sxc
- .sxd
- .sxg
- .sxi
- .sxm
- .sxw
- .tar
- .tex
- .tga
- .thm
- .tib
- .tlg
- .txt
- .vbox
- .vcf
- .vdi
- .veg
- .vhd
- .vhdx
- .vib
- .vmdk
- .vmsd
- .vmx
- .vmxf
- .vob
- .vsc
- .vsd
- .wab
- .wad
- .wallet
- .wav
- .waw
- .wb2
- .wbk
- .wda
- .wma
- .wmv
- .wpd
- .wps
- .x11
- .x3f
- .xis
- .xla
- .xlam
- .xlk
- .xlm
- .xls
- .xlsb
- .xlsm
- .xlsx
- .xlt
- .xltm
- .xltx
- .xlw
- .xml
- .xmod
- .ycbcra
- .zip
- .zipx
- .zpf
It appends the following extension to the file name of the encrypted files:
- .jaff
It drops the following file(s) as ransom note:
- {path of encrypted files}\ReadMe.bmp
- {path of encrypted files}\ReadMe.html
- {path of encrypted files}\ReadMe.txt