Sophos

Troj/Zlob-ABP

Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from June 2007 (4.18)
Protection available since 20 April 2007 21:16:43 (GMT)
Detected by All Sophos products

Action

More Information

Troj/Zlob-ABP is a password-stealing Trojan.

Troj/Zlob-ABP captures confidential information in the form of keystrokes, Windows text and clipboard text and then sends this data to a remote location via email.

In particular Troj/Zlob-ABP attempts to capture login details for online banking websites from HTML pages that contain certain text strings, such as:

"e-gold", "PayPal", "bank", "passport", "money", "mail", "log", "sign", "secret", "forex", "hsbc", "woolwich", "lloyds", "barclay", "egg" or "password".

Troj/Zlob-ABP can arrive as a result of web browsing. Certain web pages may exploit vulnerabilities associated with Microsoft Internet Explorer to silently download and install/run the Trojan without user interaction.

Troj/Zlob-ABP includes functionality to:

- delete URL cache entries
- delete itself after a period of time
- steal confidential information
- download, install and run new software, including updates of its software

When Troj/Zlob-ABP is installed the following files are created:

<Temp>\nsq3.tmp\modern-header.bmp
<Temp>\nsq3.tmp\nsExec.dll
<System>\kdkat.exe

The file kdkat.exe is detected as Troj/Zlob-ABM.

The following registry entry is changed to run kdkat.exe on startup:

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
System
kdkat.exe

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