Worm:Win32/Cambot.A is a malware that can connect to a remote server to accept and execute commands from a remote attacker. The malware could be instructed to spread to removable drives, capture keystrokes and screenshots, download additional files and other actions. The malware could capture form data entered when visiting certain websites.

System changes

The following system changes may indicate the presence of this malware:

• The presence of the following files:
  
  • %TEMP%\goolge.exe.jpg
  • %APPDATA%\goolge.exe
• The presence of the following registry modifications:
  
  

  In subkey: HKLM\Software\Microsoft\Windows\CurrentVersion\Run
  Sets value: "Google Tools"
  With data: "%APPDATA%\goolge.exe"

  In subkey: HKCU\Software\Microsoft\Windows\CurrentVersion\Run
  Add value: "Google Tools"
  With data: "%APPDATA%\goolge.exe"

  In subkey: HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run
  Add value: "Google Tools"
  With data: "%APPDATA%\goolge.exe"

  In subkey: HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run
  Add value: "Google Tools"
  With data: "%APPDATA%\goolge.exe"

Worm:Win32/Cambot.A is a malware that can connect to a remote server to accept and execute commands from a remote attacker. The malware could be instructed to spread to removable drives, capture keystrokes and screenshots, download additional files and other actions. The malware could capture form data entered when visiting certain websites.

Installation

Worm:Win32/Cambot.A may be installed by other malware, such as Trojan:MSIL/Gillver.A, or when connecting to a removable drive that is infected with Worm:Win32/Cambot.A. It may be present as the following:

• %TEMP%\goolge.exe.jpg
• %APPDATA%\goolge.exe

The registry is modified to run the worm at each Windows start.

In subkey: HKLM\Software\Microsoft\Windows\CurrentVersion\Run
Sets value: "Google Tools"
With data: "%APPDATA%\goolge.exe"

In subkey: HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Add value: "Google Tools"
With data: "%APPDATA%\goolge.exe"

In subkey: HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run
Add value: "Google Tools"
With data: "%APPDATA%\goolge.exe"

In subkey: HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run
Add value: "Google Tools"
With data: "%APPDATA%\goolge.exe"

Payload

Allows unauthorized access and control
This malware can connect to a remote server to accept and execute commands from a remote attacker. Commands could include any of the following actions:

• Log keystrokes
• Capture screen and webcam images
• Download additional files and update itself
• Spread to removable drives
• Load additional plugins
• Perform a DDoS attack
• Kill other bots

Capture Internet Explorer network traffic
This malware connects to the domain "play-support-email.com" to receive a list of websites. When the affected computer visits a website in the list, the malware could capture form data entered which can include sensitive information such as logon credentials. At the time of this writing, the list of websites includes the following:

• ADrive - adrive.com
• AlertPay - alertpay.com
• Amazon - amazon.com
• AT&T - att.com
• Bank of America - bankofamerica.com
• Best Buy - bestbuy.com
• Black Hat SEO Forum - blackhatworld.com
• CHASE Home - chase.com
• Citibank - citibank.com
• Consoles | GameStop - gamestop.com
• craigslist - craigslist.org
• Deposit Files - depositfiles.com
• deviantART - deviantart.com
• Direct2Drive - direct2drive.com
• EA Video Games - ea.com
• ePassporte - epassporte.com
• Escrow - escrow.com
• Facebook - facebook.com
• Fifth Third Bank - 53.com
• FileFactory - filefactory.com
• FilePlanet - fileplanet.com
• FileServe - fileserve.com
• FileSonic - filesonic.com
• GameFly - gamefly.com
• Go Daddy - godaddy.com
• Google Checkout - checkout.google.com
• Gunbound - gunbound.com
• Hack Forums - hackforums.net
• Harris Bank - harrisbank.com
• Hotfile - hotfile.com
• IBackup - ibackup.com
• ILoveI - iloveim.com
• IMVU - imvu.com
• LastPass - lastpass.com
• League of Legends LoL - leagueoflegends.com
• Liberty Reserve - libertyreserve.com
• Lockerz - lockerz.com
• MEGAUPLOAD - megaupload.com
• MEGAVIDEO - megavideo.com
• Moneybookers - moneybookers.com/app
• Myspace - myspace.com
• NameCheap - namecheap.com
• Netflix - netflix.com
• Network Solutions - networksolutions.com
• Newegg - newegg.com
• Online Internet Marketing - forums.digitalpoint.com
• Payment Gateway - authorize.net
• PayPal - paypal.com
• PlayStation - playstation.com
• Plimus - plimus.com
• PNC Bank - pnc.com
• RapidShare - rapidshare.com
• RoboForm - roboform.com
• RuneScape - runescape.com
• SitePoint - sitepoint.com
• Target - target.com
• TCF Bank - tcfbank.com
• TheVault - thevault.bz
• T-Mobile - t-mobile.com
• U.S. Cellular - uscellular.com
• ul.to - uploaded.to
• Unlimited free file storage - megashare.com
• Verizon - verizon.com
• Walmart.com - walmart.com
• Warez-BB - warez-bb.org
• WarriorForum - warriorforum.com
• WebMoney - wmtransfer.com
• Western Union - westernunion.com
• World of Warcraft - us.battle.net
• Xanga - xanga.com
• Xmarks - xmarks.com

Analysis by Shawn Wang

To detect and remove this threat and other malicious software that may be installed on your computer, run a full-system scan with an appropriate, up-to-date, security solution. The following Microsoft products detect and remove this threat:

• Microsoft Security Essentials
• Microsoft Safety Scanner
• Windows Defender
• Microsoft Windows Malicious Software Removal Tool

For more information on antivirus software, see http://www.microsoft.com/windows/antivirus-partners/.

This malware attempts to steal sensitive and confidential information from affected users to perpetrate fraud. If you believe that your personal financial information may have been compromised, please refer to the following advisory for additional advice:

• What to do if you are a victim of fraud