StumbledUpon Toolbar
StumbleUpon.com is a free web-browser extension which acts as an intelligent browsing tool for discovering and sharing web sites. The toolbar allows the user to rate a webpage and add comments about the webpage, which can be viewed by other members
of the host.The toolbar generates URLs which links to other sites. The toolbar shows popup ads which can also be generated from the generated pages. The toolbar creates cookies in order to identify the user. To install the toolbar the user has to
register with the host site, which requires a valid e-mail address. The toolbar collects information about pages visited and search terms.The toolbar installs in a silent mode, it does not show any sign of installing.0
General information:
| Malware Name: |
StumbledUpon Toolbar |
| Malware Type: |
Browser Helper Object |
| Company Name: |
StumbledUpon.Com |
| Company URL: |
|
| Threat Level: |
High |
| Operating System: |
WIN XP |
| Installation Type: |
Installed through EXE (It doesnât show any sign of installation, installs directly when the installer EXE is executed) |
| Operation: |
Time of After Browser Restart. |
Company Description:
StumbleUpon.com is a free web-browser extension which acts as an intelligent browsing tool for discovering and sharing web sites. The toolbar allows the user to rate a webpage and add comments about the webpage, which can be viewed by other members
of the host.
Spyware Description:
StumbleUpon.com is a free web-browser extension which acts as an intelligent browsing tool for discovering and sharing web sites. The toolbar allows the user to rate a webpage and add comments about the webpage, which can be viewed by other members
of the host.The toolbar generates URLs which links to other sites. The toolbar shows popup ads which can also be generated from the generated pages. The toolbar creates cookies in order to identify the user. To install the toolbar the user has to
register with the host site, which requires a valid e-mail address. The toolbar collects information about pages visited and search terms.The toolbar installs in a silent mode, it does not show any sign of installing.0
Characteristics/Symptoms:
-> Collects information about the pages visited -> Slows the browser -> Can change the default search settings -> Communicates with the host server -> Can show popup ads -> Creates Cookies0
Additional information might be found here:
Processes Running:
File information Created after Installation:
| File Location |
Size (Bytes) |
Type |
| C:\Program Files\StumbleUpon\stumble.dll |
614400 |
Application Extension |
Folder information Created after Installation:
Registry information Created after Installation:
| Main Registry Key |
Sub Registry Key |
Key Value Name |
| HKEY_LOCAL_MACHINE |
\SOFTWARE\Classes\TypeLib\{8D8C473B-0817-4E12-B751-464AEB802BF0} |
|
| HKEY_LOCAL_MACHINE |
\SOFTWARE\Microsoft\Windows\CurrentVersion\App Management\ARPCache\StumbleUpon |
|
| HKEY_LOCAL_MACHINE |
\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\StumbleUpon |
|
