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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 e-mail, malicious or hacked Web pages, Internet Relay Chat (IRC), peer-to-peer networks, etc.

Characteristics

File Property	Property Value
FileName	zz.exe
McAfee Detection	W32/Vaklik
Length	126,976 bytes
CRC	EC5C409A
MD5	C466702575CB260F51677214AA152A96
SHA1	CE87CFC36FA96B8859BF6A6225E788616BA0BC1E

Other Common Detection Aliases

Company Name	Detection Name
norman	sandbox: w32/viking.gen5.dropper

Avert® Labs has observed the following system activities:

Activity	Risk Level
Modifies memory of other processes	Critical
Enumerates open windows	Medium
Enumerates running processes	Medium
Writes executable in the windows folder	Low

Other detections that have been observed.

FileName	McAfee Supported
%WINDIR%\1.exe	PWS-Gamania.gen.a
%USERPROFILE%\local settings\temp\tru15.tmp	W32/Vaklik

System Changes

These are general defaults for typical path variables. (Although they may differ, these examples are common.):
%WinDir% = \WINDOWS (Windows 9x/ME/XP/Vista), \WINNT (Windows NT/2000)
%SystemDir% = \WINDOWS\SYSTEM (Windows 98/ME), \WINDOWS\SYSTEM32 (Windows XP/Vista), \WINNT\SYSTEM32 (Windows NT/2000)
%ProgramFiles% = \Program Files

The following files have been added to the system:

%WINDIR%\1.exe

%WINDIR%\system32\drivers\klif.sys

The following registry elements have been created:

hkey_local_machine\system\currentcontrolset\services\kavsys\

• errorcontrol = 1
• imagepath = \??\c:\windows\system32\drivers\klif.sys
• start = 1
• type = 1

Symptoms

This symptoms of this detection are the files, registry, and network communication referenced in the characteristics section.

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, e-mail, 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 e-mail, malicious or hacked Web pages, Internet Relay Chat (IRC), peer-to-peer networks, etc.

Characteristics

Characteristics -

File Property	Property Value
FileName	zz.exe
McAfee Detection	W32/Vaklik
Length	126,976 bytes
CRC	EC5C409A
MD5	C466702575CB260F51677214AA152A96
SHA1	CE87CFC36FA96B8859BF6A6225E788616BA0BC1E

Other Common Detection Aliases

Company Name	Detection Name
norman	sandbox: w32/viking.gen5.dropper

Avert® Labs has observed the following system activities:

Activity	Risk Level
Modifies memory of other processes	Critical
Enumerates open windows	Medium
Enumerates running processes	Medium
Writes executable in the windows folder	Low

Other detections that have been observed.

FileName	McAfee Supported
%WINDIR%\1.exe	PWS-Gamania.gen.a
%USERPROFILE%\local settings\temp\tru15.tmp	W32/Vaklik

System Changes

These are general defaults for typical path variables. (Although they may differ, these examples are common.):
%WinDir% = \WINDOWS (Windows 9x/ME/XP/Vista), \WINNT (Windows NT/2000)
%SystemDir% = \WINDOWS\SYSTEM (Windows 98/ME), \WINDOWS\SYSTEM32 (Windows XP/Vista), \WINNT\SYSTEM32 (Windows NT/2000)
%ProgramFiles% = \Program Files

The following files have been added to the system:

%WINDIR%\1.exe

%WINDIR%\system32\drivers\klif.sys

The following registry elements have been created:

hkey_local_machine\system\currentcontrolset\services\kavsys\

• errorcontrol = 1
• imagepath = \??\c:\windows\system32\drivers\klif.sys
• start = 1
• type = 1

Symptoms

Symptoms -

This symptoms of this detection are the files, registry, and network communication referenced in the characteristics section.

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, e-mail, 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