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HackTool:Win32/SmptMailStress

First posted on 25 January 2016.
Source: Microsoft

Aliases :

There are no other names known for HackTool:Win32/SmptMailStress.

Explanation :

Installation
This threat can create files on your PC, including:

• %ProgramFiles%\quickmail\uninsfiles\botva2.dll
• %ProgramFiles%\quickmail\uninsfiles\callbackctrl.dll
• %ProgramFiles%\quickmail\uninsfiles\unins000.exe
• %ProgramFiles%\quickmail\uninsfiles\webctrl.dll
• %ProgramFiles%\quickmail\uninsfiles\wlistviewex.dll
• %ProgramFiles%\quickmail\uninsfiles\wsysinfo.dll
• %ProgramFiles%\quickmail\quickmailhtml.exe
• %TEMP%\is-8f72v.tmp\_isetup\_shfoldr.dll
• %TEMP%\is-8f72v.tmp\botva2.dll
• %TEMP%\is-8f72v.tmp\wsysinfo.dll

The malware uses code injection to make it harder to detect and remove. It can inject code into running processes.



Payload


Connects to a remote host

We have seen this threat connect to a remote host, including:

• count.ebara.cc using port 80
• ip.taobao.com using port 80
• update.ttu998d.com using port 80

Malware can connect to a remote host to do any of the following:

• Check for an Internet connection
• Download and run files (including updates or other malware)
• Report a new infection to its author
• Receive configuration or other data
• Receive instructions from a malicious hacker
• Search for your PC location
• Upload information taken from your PC
• Validate a digital certificate

Creates an uninstaller



This threat can create an uninstaller by modifying the registry. For example:

In subkey: HKLM\Software\Microsoft\Windows\CurrentVersion\Uninstall\QuickMail_is1

Sets value: "Comments"
With data: "quickmail"

Sets value: "DisplayIcon"
With data: "%ProgramFiles%\quickmail\quickmail.exe"



This malware description was published using automated analysis of file SHA1 b2b7113329cd50d9b77f2d5a23053ab463ec343a.

Last update 25 January 2016

 

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