RANSOM_EDA2ANUBIS.A
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan 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. However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
Arrival Details
This Trojan 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 Trojan drops the following files:
- %Desktop%\Decrpytion Instructions - ransom note
(Note: %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.)
Download Routine
This Trojan saves the files it downloads using the following names:
- %User Profile%\ransom.jpg
(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.)
Information Theft
This Trojan gathers the following data:
- Computer Name
Other Details
This Trojan connects to the following website to send and receive information:
- http://{BLOCKED}.{BLOCKED}.37.177/rs/createkeys.php
- http://{BLOCKED}.{BLOCKED}.37.177/rs/savekey.php
It encrypts files with the following extensions:
- .3dm
- .3ds
- .3g2
- .3gp
- .602
- .aes
- .arc
- .asc
- .asf
- .asm
- .asp
- .avi
- .bak
- .bat
- .bmp
- .brd
- .cgm
- .cmd
- .cpp
- .crt
- .csr
- .csv
- .dbf
- .dch
- .dif
- .dip
- .djv
- .djvu
- .doc
- .docb
- .docm
- .docx
- .dot
- .dotm
- .dwg
- .dotx
- .exe
- .fla
- .flv
- .frm
- .gif
- .gpg
- .hwp
- .ibd
- .iso
- .jar
- .java
- .jpeg
- .jpg
- .key
- .lay
- .lay6
- .ldf
- .lnk
- .log
- .m3u
- .m4u
- .max
- .mdb
- .mdf
- .mid
- .mkv
- .mov
- .mp3
- .mp4
- .mpeg
- .mpg
- .ms11
- .myd
- .myi
- .nef
- .odb
- .odg
- .odp
- .ods
- .odt
- .otg
- .otp
- .ots
- .ott
- .p12
- .paq
- .pas
- .pem
- .php
- .png
- .pot
- .potm
- .potx
- .ppam
- .pps
- .ppsm
- .ppsx
- .ppt
- .pptm
- .pptx
- .psd
- .rar
- .raw
- .rtf
- .sch
- .sldm
- .sldx
- .slk
- .stc
- .std
- .sti
- .stw
- .svg
- .swf
- .sxc
- .sxd
- .sxi
- .sxm
- .sxw
- .sql
- .sqlitedb
- .tar
- .tbk
- .tgz
- .tif
- .tiff
- .txt
- .uop
- .uot
- .vbs
- .vdi
- .vmdk
- .vmx
- .vob
- .wav
- .wb2
- .wk1
- .wks
- .wma
- .wmv
- .xlc
- .xlm
- .xls
- .xlsb
- .xlsm
- .xlsx
- .xlt
- .xltm
- .xltx
- .xlw
- .zip
- .7z
It renames encrypted files using the following names:
- {original filename}.coded
However, as of this writing, the said sites are inaccessible.
NOTES:
This ransomware shows the following image after encryption:
SOLUTION
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
Search and delete this file
- %Desktop%\Decrpytion Instructions
- %User Profile%\ransom.jpg
Step 5
Scan your computer with your Trend Micro product to delete files detected as RANSOM_EDA2ANUBIS.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 6
Restore encrypted files from backup.
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