RANSOM_FAKEGLOBE.ENG

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.

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:

• %User Temp%\_t{random value}.tmp.bat ← used to execute commands
• {malware directory}\.bat ← used to delete self
• %System Root%\Users\Public\{e29ac6c0-7037-11de-816d-806e6f6e6963}

(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp 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.. %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)

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\RunOnce
CertificatesCheck = %System Root%\Users\Public\{malware file name}

Other System Modifications

This Ransomware deletes the following files:

• %User Profile%\Documents\Default.rdp

(Note: %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.)

It adds the following registry keys:

HKEY_CURRENT_USER\Software\Microsoft\
Terminal Server Client\Servers

It deletes the following registry keys:

HKEY_CURRENT_USER\Software\Microsoft\
Terminal Server Client\Default

HKEY_CURRENT_USER\Software\Microsoft\
Terminal Server Client\Servers

Process Termination

This Ransomware terminates processes or services that contain any of the following strings if found running in the affected system's memory:

• sql
• outlook
• smss
• postgre
• 1c
• excel
• word

Other Details

This Ransomware does the following:

• Execute the command vssadmin Delete Shadows /ALL /Quiet using the dropped .bat file

It deletes itself after execution.

Ransomware Routine

This Ransomware encrypts files with the following extensions:

• .$er
• .4db
• .4dd
• .4d
• .4mp
• .abs
• .abx
• .accdb
• .accdc
• .accde
• .accdr
• .accdt
• .accdw
• .accft
• .adn
• .adp
• .aft
• .ahd
• .alf
• .ask
• .awdb
• .azz
• .bdb
• .bib
• .bnd
• .bok
• .btr
• .cdb
• .cdb
• .cdb
• .ckp
• .clkw
• .cma
• .crd
• .daconnections
• .dacpac
• .dad
• .dadiagrams
• .daf
• .daschema
• .db
• .db-shm
• .db-wa
• .db2
• .db3
• .dbc
• .dbf
• .dbf
• .dbk
• .dbs
• .dbt
• .dbv
• .dbx
• .dcb
• .dct
• .dcx
• .dd
• .df1
• .dmo
• .dnc
• .dp1
• .dqy
• .dsk
• .dsn
• .dta
• .dtsx
• .dx
• .eco
• .ecx
• .edb
• .emd
• .eq
• .fcd
• .fdb
• .fic
• .fid
• .fi
• .fm5
• .fmp
• .fmp12
• .fmps
• .fo
• .fp3
• .fp4
• .fp5
• .fp7
• .fpt
• .fzb
• .fzv
• .gdb
• .gwi
• .hdb
• .his
• .ib
• .idc
• .ihx
• .itdb
• .itw
• .jtx
• .kdb
• .lgc
• .maq
• .mdb
• .mdbhtm
• .mdf
• .mdn
• .mdt
• .mrg
• .mud
• .mwb
• .myd
• .ndf
• .ns2
• .ns3
• .ns4
• .nsf
• .nv2
• .nyf
• .oce
• .odb
• .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
• .sq
• .sqlite
• .sqlite3
• .sqlitedb
• .str
• .tcx
• .tdt
• .te
• .teacher
• .tmd
• .trm
• .udb
• .usr
• .v12
• .vdb
• .vpd
• .wdb
• .wmdb
• .xdb
• .xld
• .xlgc
• .zdb
• .zdc

It avoids encrypting files with the following strings in their file path:

• free_files!.html
• {e29ac6c0-7037-11de-816d-806e6f6e6963}
• Windows
• Microsoft
• Microsoft Help
• Windows App Certification Kit
• Windows Defender
• ESET
• COMODO
• Windows NT
• Windows Kits
• Windows Mail
• Windows Media Player
• Windows Multimedia Platform
• Windows Phone Kits
• Windows Phone Silverlight Kits
• Windows Photo Viewer
• Windows Portable Devices
• Windows Sidebar
• WindowsPowerShell
• Temp
• NVIDIA Corporation
• Microsoft
• NET
• Internet Explorer
• Kaspersky Lab
• McAfee
• Avira
• spytech software
• sysconfig
• Avast
• Dr
• Web
• Symantec
• Symantec_Client_Security
• system volume information
• AVG
• Microsoft Shared
• Common Files
• Outlook Express
• Movie Maker
• Chrome
• Mozilla Firefox
• Opera
• YandexBrowser
• ntldr
• Wsus
• ProgramData

It appends the following extension to the file name of the encrypted files:

• .490

It drops the following file(s) as ransom note:

• {Encrypted files directory}\free_files!.html

NOTES:

This ransomware displays the following ransom note: