McAfee > Theat Center > Virus Detail Page

Overview

This is a trojan detection. Unlike viruses, trojans do not self-replicate. They are spread manually, often under the premise that they are beneficial or wanted. The most common installation methods involve system or security exploitation, and unsuspecting users manually executing unknown programs. Distribution channels include email, malicious or hacked web pages, Internet Relay Chat (IRC), peer-to-peer networks, etc.

Characteristics

PWS-Zbot is a Trojan that steals online banking credentials and eventually sends them to a remote server.

Upon execution, it drops the following files into the Windows system directory:

• %Windir%\%SYSDIR%\ntos.exe
• %Windir%\%SYSDIR%\wsnpoem\audio.dll
• %Windir%\%SYSDIR%\wsnpoem\video.dll

Adds the string “C:\%WINDIR%\system32\ntos.exe” to the “Userinit” value in the following registry key in order to run at Windows start up:

• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
  

Symptoms

PWS-Zbot may prevent some applications to be started.
Unexpected HTTP traffic.

Method of Infection

Trojans do not self-replicate. They are spread manually, often under the premise that the executable is something beneficial. Distribution channels include IRC, peer-to-peer networks, newsgroup postings, email, etc.

Removal

AVERT recommends to always use latest DATs and engine. This threat will be cleaned if you have this combination.

Additional Windows ME/XP removal considerations

Variants

Variants

N/A

All Information

Overview -

This is a trojan detection. Unlike viruses, trojans do not self-replicate. They are spread manually, often under the premise that they are beneficial or wanted. The most common installation methods involve system or security exploitation, and unsuspecting users manually executing unknown programs. Distribution channels include email, malicious or hacked web pages, Internet Relay Chat (IRC), peer-to-peer networks, etc.

Characteristics

Characteristics -

PWS-Zbot is a Trojan that steals online banking credentials and eventually sends them to a remote server.

Upon execution, it drops the following files into the Windows system directory:

• %Windir%\%SYSDIR%\ntos.exe
• %Windir%\%SYSDIR%\wsnpoem\audio.dll
• %Windir%\%SYSDIR%\wsnpoem\video.dll

Adds the string “C:\%WINDIR%\system32\ntos.exe” to the “Userinit” value in the following registry key in order to run at Windows start up:

• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
  

Symptoms

Symptoms -

PWS-Zbot may prevent some applications to be started.
Unexpected HTTP traffic.

Method of Infection

Method of Infection -

Trojans do not self-replicate. They are spread manually, often under the premise that the executable is something beneficial. Distribution channels include IRC, peer-to-peer networks, newsgroup postings, email, etc.

Removal -

Removal -

AVERT recommends to always use latest DATs and engine. This threat will be cleaned if you have this combination.

Additional Windows ME/XP removal considerations

Variants

Variants -

N/A