RANSOM_CRYPTRITU.A

它以其他(tā)恶意软件释放的文(wén)件或用(yòng)户访问恶意网站时不知不觉下载的文(wén)件的形式到达系统。它开始执行然后再删除。

安(ān)装(zhuāng)

它植入下列文(wén)件：

• %Application Data%\Chrome Browser\chrome - copy of the GPL licensing agreement
• %Application Data%\Chrome Browser\chrome.exe - NW.js package application contains the actual malicious routine.
• %Application Data%\Chrome Browser\icudtd.dat - NW.js framework component
• %Application Data%\Chrome Browser\ffmpegsumo.dll - NW.js framework component
• %Application Data%\Chrome Browser\nw.pak - NW.js framework component
• %Application Data%\Chrome Browser\g - config file (Bitcoin address, Error Message, Affiliate ransom amount)
• %Application Data%\Chrome Browser\rundll32.exe - Renamed TOR client used for C2 communication
• %Application Data%\Chrome Browser\msgbox.vbs - script used to display the Error Message
• %Application Data%\Chrome Browser\s.exe - used to drop the shortcut file in %User Startup% folder
• %Application Data%\Chrome Browser\u.vbs - Enumerates and deletes all files and folder in the specified directory.

(注意: %Application Data% 是当前用(yòng)户的 Application Data 文(wén)件夹，通常位于 C:\Windows\Profiles\{user name}\Application Data (Windows 98 和 ME)、C:\WINNT\Profiles\{user name}\Application Data (Windows NT) 和 C:\Documents and Settings\{user name}\Local Settings\Application Data (Windows 2000、XP 和 Server 2003)。. %User Startup% 是当前用(yòng)户的启动文(wén)件夹，通常位于 C:\Windows\Profiles\{user name}\Start Menu\Programs\Startup (Windows 98 和 ME)、C:\WINNT\Profiles\{user name}\Start Menu\Programs\Startup (Windows NT) 和 C:\Documents and Settings\{User name}\「开始」菜单\程序\启动。)

它创建下列文(wén)件夹：

• %Application Data%\Chrome Browser

(注意: %Application Data% 是当前用(yòng)户的 Application Data 文(wén)件夹，通常位于 C:\Windows\Profiles\{user name}\Application Data (Windows 98 和 ME)、C:\WINNT\Profiles\{user name}\Application Data (Windows NT) 和 C:\Documents and Settings\{user name}\Local Settings\Application Data (Windows 2000、XP 和 Server 2003)。)

自启动技(jì )术

它将下列文(wén)件植入 Windows 用(yòng)户启动文(wén)件夹，以便在系统每次启动时自动执行：

• ChromeService.lnk - shortcut file that points to %Application Data%\Chrome Browser\chrome.exe

(注意: %Application Data% 是当前用(yòng)户的 Application Data 文(wén)件夹，通常位于 C:\Windows\Profiles\{user name}\Application Data (Windows 98 和 ME)、C:\WINNT\Profiles\{user name}\Application Data (Windows NT) 和 C:\Documents and Settings\{user name}\Local Settings\Application Data (Windows 2000、XP 和 Server 2003)。)

Web浏览器主页(yè)和搜索页(yè)面修改

它修改 Internet Explorer 區(qū)域设置。

其他(tā)详细信息

它连接到下列网站，发送和接收信息：

• http://{BLOCKED}.{BLOCKED}.40.189:443
• http://{BLOCKED}.{BLOCKED}.244.244:443
• http://{BLOCKED}.{BLOCKED}.105.57:9001
• http://{BLOCKED}.{BLOCKED}.92.11:9101
• http://{BLOCKED}.{BLOCKED}.93.36:9001
• http://{BLOCKED}.{BLOCKED}.92.11:9001
• http://{BLOCKED}.{BLOCKED}.18.110:80

它使用(yòng)下列扩展名(míng)加密文(wén)件：

• *.jpg
• *.jpeg
• *.raw
• *.tif
• *.gif
• *.png
• *.bmp
• *.3dm
• *.max
• *.accdb
• *.db
• *.dbf
• *.mdb
• *.pdb
• *.sql
• *.*sav*
• *.*spv*
• *.*grle*
• *.*mlx*
• *.*sv5*
• *.*game*
• *.*slot*
• *.dwg
• *.dxf
• *.c
• *.cpp
• *.cs
• *.h
• ../spam/3649/A_[Random Numbers].html
• ../spam/3649/A_[Random Numbers].html
• *.rb
• *.java
• *.jar
• *.class
• *.aaf
• *.aep
• *.aepx
• *.plb
• *.prel
• *.prproj
• *.aet
• *.ppj
• *.psd
• *.indd
• *.indl
• *.indt
• *.indb
• *.inx
• *.idml
• *.pmd
• *.xqx
• *.xqx
• *.ai
• *.eps
• *.ps
• *.svg
• *.swf
• *.fla
• *.as3
• *.as
• *.txt
• *.doc
• *.dot
• *.docx
• *.docm
• *.dotx
• *.dotm
• *.docb
• *.rtf
• *.wpd
• *.wps
• *.msg
• *.pdf
• *.xls
• *.xlt
• *.xlm
• *.xlsx
• *.xlsm
• *.xltx
• *.xltm
• *.xlsb
• *.xla
• *.xlam
• *.xll
• *.xlw
• *.ppt
• *.pot
• *.pps
• *.pptx
• *.pptm
• *.potx
• *.potm
• *.ppam
• *.ppsx
• *.ppsm
• *.sldx
• *.sldm
• *.wav
• *.mp3
• *.aif
• *.iff
• *.m3u
• *.m4u
• *.mid
• *.mpa
• *.wma
• *.ra
• *.avi
• *.mov
• *.mp4
• *.3gp
• *.mpeg
• *.3g2
• *.asf
• *.asx
• *.flv
• *.mpg
• *.wmv
• *.vob
• *.m3u8
• *.csv
• *.efx
• *.sdf
• *.vcf
• *.xml
• *.ses
• *.dat