RANSOM_HALLOWARE.A
Trojan-Ransom.Win32.Gen.gch (KASPERSKY); Trojan.Seaduke (NORTON); Trojan:Win32/Tiggre!rfn (MICROSOFT)
Windows
Threat Type: Ransomware
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Dropped by other malware
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.
As of this writing, the said sites are inaccessible.
It encrypts files with specific file extensions. It encrypts files found in specific folders.
TECHNICAL DETAILS
6,542,330 bytes
EXE
No
30 Nov 2017
Connects to URLs/IPs, 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.
Download Routine
This Ransomware connects to the following URL(s) to download its component file(s):
- http://{BLOCKED}r9706.{BLOCKED}e.com/wall.jpg
- http://{BLOCKED}r9706.{BLOCKED}e.com/gif.gif
It saves the files it downloads using the following names:
- %System Root%\wall.jpg -> used as wallpaper
- %System Root%\gif.gif -> used as an image of a message box
(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)
As of this writing, the said sites are inaccessible.
Other Details
This Ransomware does the following:
- Prepends the string "(Lucifer)" to encrypted files
Ransomware Routine
This Ransomware encrypts files with the following extensions:
- .3dm
- .3g2
- .3gp
- .7zip
- .aaf
- .accdb
- .aep
- .aepx
- .aet
- .ai
- .aif
- .as
- .as3
- .asf
- .asp
- .asp
- .aspx
- .asx
- .avi
- .bmp
- .c
- .class
- .cpp
- .cs
- .csv
- .csv
- .dat
- .db
- .dbf
- .doc
- .doc
- .docb
- .docm
- .docx
- .docx
- .dot
- .dotm
- .dotx
- .dwg
- .dxf
- .efx
- .eps
- .fla
- .flv
- .gif
- .h
- .html
- .idml
- .iff
- .indb
- .indd
- .indl
- .indt
- .inx
- .jar
- .java
- .jpeg
- .jpeg
- .jpg
- .jpg
- .js
- .m3u
- .m3u8
- .m4u
- .max
- .mdb
- .mdb
- .mid
- .mkv
- .mov
- .mp3
- .mp4
- .mpa.wma
- .mpeg
- .mpg
- .msg
- .odt
- .pdb
- .php
- .php
- .plb
- .pmd
- .png
- .pot
- .potm
- .potx
- .ppam
- .ppj
- .pps
- .ppsm
- .ppsx
- .ppt
- .ppt
- .pptm
- .pptx
- .pptx
- .prel
- .prproj
- .ps
- .psd
- .psd
- .py
- .ra
- .rar
- .raw
- .rb
- .rtf
- .sdf
- .ses
- .sldm
- .sldx
- .sln
- .sql
- .sql
- .svg
- .swf
- .tif
- .txt
- .txt
- .vcf
- .vob
- .wav
- .wmv
- .wpd
- .wps
- .xla
- .xlam
- .xll
- .xlm
- .xls
- .xls
- .xlsb
- .xlsm
- .xlsx
- .xlsx
- .xlt
- .xltm
- .xltx
- .xlw
- .xml
- .xml
- .xqx
- .xqx
- .zip
It encrypts files found in the following folders:
- C:\
It avoids encrypting files with the following strings in their file name:
- tncybersqard.py
SOLUTION
9.850
13.822.05
04 Dec 2017
13.823.00
05 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
Identify and terminate files detected as RANSOM_HALLOWARE.A
- Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
- If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
- If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.
Step 4
Search and delete these files
- %System Root%\wall.jpg
- %System Root%\gif.gif
Step 5
Scan your computer with your Trend Micro product to delete files detected as RANSOM_HALLOWARE.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 the following Trend Micro Support pages for more information:
Step 6
Reset your Desktop properties
Step 7
Restore encrypted files from backup.
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