Trojan.Win32.DIPLE.H

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 executes then deletes itself afterward.

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:

• %User Temp%\aut{Random}.tmp → Deleted afterwards
• %User Temp%\hvavzgf → Deleted afterwards
• %User Temp%\~zFavUrl.Ex_ → Deleted afterwards
• %User Temp%\fbinst.dll → Deleted afterwards
• %Favorites%\淘宝购物\icon.ico
• %Favorites%\淘宝购物\Desktop.ini
• %Favorites%\中国最大特产网－特产优联.url
• %Favorites%\天地联盟－您身边的提款机.url
• %Favorites%\淘宝购物\淘宝品质铺精选.URL
• %Favorites%\淘宝购物\淘宝网 - 商城频道.URL
• %Favorites%\淘宝购物\淘宝网 - 女人频道.URL
• %Favorites%\淘宝购物\淘宝网 - 数码商城.URL
• %Favorites%\淘宝购物\淘宝网 - 淘！.URL
• %Favorites%\淘宝购物\淘宝网 - 电器城.URL
• %Favorites%\淘宝购物\淘宝网 - 男人频道.URL
• %Favorites%\电视网 最新最全直播节目.url

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Favorites% is the current user's Favorites folder, which is usually C:\Documents and Settings\{user name}\Favorites on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\Favorites on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

It adds the following processes:

• %User Temp%\~zFavUrl.Ex_ -y -o"%Favorites%"
• %System%\cmd.exe /c %User Temp%\fbinst.dll "%Windows%\8f2cf0\SUPPORT.IM_" output IMG/* %~nx%User Temp%\fbinst.dll  "%Windows%\8f2cf0\SUPPORT.IM_" output IMG/* %~nx
• %System%\cmd.exe /c ping 127.1 -n 50® add "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d "www.{BLOCKED}.com.gr" /f® delete "HKCU\Software\Policies\Microsoft\Internet Explorer\Main" /v "Start Page" /f® delete "HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel" /v "HomePage" /f
• %System%\cmd.exe /c ping 127.1 -n 3&del /q "{Malware Path}\{Malware Filename}.exe"

It creates the following folders:

• %AppDataLocal%\8f2cf0
• %Favorites%\淘宝购物

(Note: %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Favorites% is the current user's Favorites folder, which is usually C:\Documents and Settings\{user name}\Favorites on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\Favorites on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

It executes then deletes itself afterward.

Other System Modifications

This Trojan adds the following registry entries:

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Main
Start Page = www.{BLOCKED}.com.gr