RANSOM_CRADLE.A

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.

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 files:

• %Start Menu%\Programs\Startup\_HOW_TO_UNLOCK_FILES_.html ← Ransom Note
• %Desktop%\_HOW_TO_UNLOCK_FILES_.html ← Ransom Note
• %Desktop%\_CRADLE_ID.txt
• %User Profile%\_CRADLE_ID.txt

(Note: %Start Menu% is the Start Menu folder, where it usually is C:\Documents and Settings\{user name}\Start Menu on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu 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.. %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.)

Other System Modifications

This Ransomware adds the following registry keys:

HKEY_CURRENT_USER\Software\{Random Values}

It adds the following registry entries:

HKEY_CURRENT_USER\Software\{Random Value}
{Current number of files encrypted} = {File path of the encrypted file}

Other Details

This Ransomware encrypts files with the following extensions:

• .3dm
• .3ds
• .3fr
• .3g2
• .3gp
• .3pr
• .7z
• .ab4
• .accdb
• .accde
• .accdr
• .accdt
• .ach
• .acr
• .act
• .adb
• .ads
• .agdl
• .ai
• .ait
• .al
• .apj
• .arw
• .asf
• .asm
• .asp
• .asx
• .avi
• .awg
• .back
• .backup
• .backupdb
• .bak
• .bank
• .bay
• .bdb
• .bgt
• .bik
• .bkp
• .blend
• .bpw
• .bz2
• .c
• .cdf
• .cdr
• .cdr3
• .cdr4
• .cdr5
• .cdr6
• .cdrw
• .cdx
• .ce1
• .ce2
• .cer
• .cfp
• .cgm
• .cib
• .class
• .cls
• .cmt
• .cpi
• .cpp
• .cr2
• .craw
• .crt
• .crw
• .cs
• .csh
• .csl
• .csv
• .dac
• .dat
• .db
• .db-journal
• .db3
• .dbf
• .dc2
• .dcr
• .dcs
• .ddd
• .ddoc
• .ddrw
• .dds
• .der
• .des
• .design
• .dgc
• .djvu
• .dng
• .doc
• .docm
• .docx
• .dot
• .dotm
• .dotx
• .drf
• .drw
• .dtd
• .dwg
• .dxb
• .dxf
• .dxg
• .eml
• .eps
• .erbsql
• .erf
• .exf
• .fdb
• .ffd
• .fff
• .fh
• .fhd
• .fla
• .flac
• .flv
• .fpx
• .fxg
• .gray
• .grey
• .gry
• .gz
• .h
• .hbk
• .hpp
• .ibank
• .ibd
• .ibz
• .idx
• .iif
• .iiq
• .incpas
• .indd
• .java
• .jpe
• .jpeg
• .jpg
• .kc2
• .kdbx
• .kdc
• .key
• .kpdx
• .lst
• .lua
• .m
• .m4v
• .max
• .mdb
• .mdc
• .mdf
• .mef
• .mfw
• .mmw
• .moneywell
• .mos
• .mov
• .mp3
• .mp4
• .mpg
• .mrw
• .msg
• .myd
• .nd
• .ndd
• .nef
• .nk2
• .nop
• .nrw
• .ns2
• .ns3
• .ns4
• .nsd
• .nsf
• .nsg
• .nsh
• .nwb
• .nx2
• .nx1
• .nyf
• .oab
• .obj
• .odb
• .odc
• .odf
• .odg
• .odm
• .odp
• .ods
• .odt
• .oil
• .orf
• .ost
• .otg
• .oth
• .otp
• .ots
• .ott
• .p12
• .p7b
• .p7c
• .pab
• .pages
• .pas
• .pat
• .pcd
• .pct
• .pdb
• .pdd
• .pdf
• .pef
• .pem
• .pfx
• .php
• .pl
• .plc
• .png
• .pot
• .potm
• .potx
• .ppam
• .pps
• .ppsm
• .ppsx
• .ppt
• .pptm
• .pptx
• .prf
• .ps
• .psafe3
• .psd
• .pspimage
• .pst
• .ptx
• .py
• .qba
• .qbb
• .qbm
• .qbr
• .qbw
• .qbx
• .qby
• .r3d
• .raf
• .rar
• .rat
• .raw
• .rdb
• .rm
• .rtf
• .rw2
• .rwl
• .rwz
• .s3db
• .sas7bdat
• .say
• .sd0
• .sda
• .sdf
• .sldm
• .sldx
• .sql
• .sqlite
• .sqlite3
• .sqlitedb
• .sr2
• .srf
• .srt
• .srw
• .st4
• .st5
• .st6
• .st7
• .st8
• .stc
• .std
• .sti
• .stw
• .stx
• .svg
• .swf
• .sxc
• .sxd
• .sxg
• .sxi
• .sxm
• .sxw
• .tar
• .tex
• .tga
• .thm
• .tlg
• .txt
• .vob
• .wallet
• .wav
• .wb2
• .wmv
• .wpd
• .wps
• .x11
• .x3f
• .xis
• .xla
• .xlam
• .xlk
• .xlm
• .xlr
• .xls
• .xlsb
• .xlsm
• .xlsx
• .xlt
• .xltm
• .xltx
• .xlw
• .ycbcra
• .yuv
• .z
• .zip

It renames encrypted files using the following names:

• {Original Malware Name and Extension}.cradle

It does the following:

• Opens the link "https://{BLOCKED}gszhqlxz4n.onion.link/upload" in the browser

It deletes itself after execution.

NOTES:

This ransomware displays the following ransom note: