quote:

---

Updated: February 13, 2007 11:46:22 AM
Type: Adware
Version: 1.0.0.1
Risk Impact: High
File Names: ccapp.exe,navshext.dll
Systems Affected: Windows 2000, Windows 98, Windows CE, Windows Me, Windows NT, Windows Server 2003, Windows XP

When Adware.SystemProcess is executed, it performs the following actions:

1. Creates the following files:

* %System%\ccapp.exe
* %System%\navshext.dll
* %System%\p.dat
* %System%\system.dat

Note: %System% is a variable that refers to the System folder. By default this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).

2. Downloads the following file:

%System%\ustart.exe (This is detected as Adware.WintaskAd.)

3. Creates the following registry subkeys:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion
\Uninstall\Startup
HKEY_LOCAL_MACHINE\SOFTWARE\System Process
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
\{C2EEB4FA-B6D6-41b9-9CFA-ABA87F862BCB}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion
\Explorer\Browser Helper Objects
\{C2EEB4FA-B6D6-41b9-9CFA-ABA87F862BCB}
HKEY_USERS\S-1-5-21-448539723-413027322-839522115-1003
\Software\Microsoft\Windows\CurrentVersion\Internet Settings
\P3P\History\anrdoezrs.net
HKEY_USERS\S-1-5-21-448539723-413027322-839522115-1003
\Software\Microsoft\Windows\CurrentVersion\Internet Settings
\P3P\History\bfast.com
HKEY_USERS\S-1-5-21-448539723-413027322-839522115-1003
\Software\Microsoft\Windows\CurrentVersion\Internet Settings
\P3P\History\cc-dt.com
HKEY_USERS\S-1-5-21-448539723-413027322-839522115-1003
\Software\Microsoft\Windows\CurrentVersion\Internet Settings
\P3P\History\commission-junction.com
HKEY_USERS\S-1-5-21-448539723-413027322-839522115-1003
\Software\Microsoft\Windows\CurrentVersion\Internet Settings
\P3P\History\dpbolvw.net
HKEY_USERS\S-1-5-21-448539723-413027322-839522115-1003
\Software\Microsoft\Windows\CurrentVersion\Internet Settings
\P3P\History\fastclick.com
HKEY_USERS\S-1-5-21-448539723-413027322-839522115-1003
\Software\Microsoft\Windows\CurrentVersion\Internet Settings
\P3P\History\fastclick.net
HKEY_USERS\S-1-5-21-448539723-413027322-839522115-1003
\Software\Microsoft\Windows\CurrentVersion\Internet Settings
\P3P\History\jdoqocy.com
HKEY_USERS\S-1-5-21-448539723-413027322-839522115-1003
\Software\Microsoft\Windows\CurrentVersion\Internet Settings
\P3P\History\kqzyfj.com
HKEY_USERS\S-1-5-21-448539723-413027322-839522115-1003
\Software\Microsoft\Windows\CurrentVersion\Internet Settings
\P3P\History\linksynergy.com
HKEY_USERS\S-1-5-21-448539723-413027322-839522115-1003
\Software\Microsoft\Windows\CurrentVersion\Internet Settings
\P3P\History\qksrv.net
HKEY_USERS\S-1-5-21-448539723-413027322-839522115-1003
\Software\Microsoft\Windows\CurrentVersion\Internet Settings
\P3P\History\tkqlhce.com

4. Adds the value:

"*.system-processes.com" = ""

to the registry subkey:

HKEY_USERS\S-1-5-21-448539723-413027322-839522115-1003\Software
\Microsoft\Internet Explorer\New Windows\Allow

5. Adds the value:

"%Windir%\system32\ccapp.exe" = "%Windir%\system32\ccapp.exe:*:Enabled:System Process"

to the registry subkey:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services
\SharedAccess\Parameters\FirewallPolicy\StandardProfile
\AuthorizedApplications\List

6. Adds the value:

"System Process Uninstall" = "%Windir%\system32\ccapp.exe UAF"

to the registry subkey:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce

---