Sophos

Troj/KillJWS-A

Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Web browsing
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 17 January 2008 15:38:51 (GMT)
Detected by All Sophos products
  • Endpoint Security and Control 9.0
  • Small business solutions 4.0

Action

More Information

Troj/KillJWS-A is a Trojan for the Windows platform. The Trojan targets the software commonly used for Windows accessibility by blind people. The Trojan is reportedly distributed as a crack program for the popular screen reader program JAWS version 9.

Troj/KillJWS-A is a Trojan for the Windows platform.

When Troj/KillJWS-A is installed the following files are created:

<Windows>\config\svchost.exe
<Windows>\mci32.exe
<System>\securityService.dll

The following registry entries are created to run code exported by securityService.dll on startup:

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\securityService
DllName
securityService.dll

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\securityService
impersonate
0

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\securityService
Startup
startup

After 26 December 2007 Troj/KillJWS-A will terminate the following processes related to popular speech synthesis and speech recognition software:

jfw.exe
hal.exe
narrator.exe
wineyes
speech32
gwm32
kurzweil

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