Summary
Haxdoor is a powerful backdoor with rootkit capabilities. It can hide its presence (processes and files) on an infected system so that it can be only detected using either anti-virus with kernel drivers or a rootkit detector. This backdoor has spying capabilities and it has lately been used to steal bank-related information (logon and passwords for online bank accounts) and other information.
Removal
Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.
A False Positive is when a file is incorrectly detected as harmful, usually because its code or behavior resembles known harmful programs. A False Positive will usually be fixed in a subsequent database update without any action needed on your part. If you wish, you may also:
Check for the latest database updates
First, check if your F-Secure security program is using the latest updates, then try scanning the file again.
Submit a sample
After checking, if you still believe the file is incorrectly detected, you can submit a sample of it for re-analysis.
Note: If the file was moved to quarantine, you need to collect the file from quarantine before you can submit it.
Exclude a file from further scanning
If you are certain that the file is safe and want to continue using it, you can exclude it from further scanning by the F-Secure security product.
Note: You need administrative rights to change the settings.
Technical Details
When the backdoor is executed, it drops the following files in the Windows System32 folder:
- pptp16.dll
- pptp24.sys
- qz.dll
- qz.sys
During the execution, it also creates the following registry keys:
- HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\pptp16
- HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal\pptp16.sys
- HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal\pptp24.sys
- HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Network\pptp16.sys
- HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Network\pptp24.sys
The HKLM modification allows the backdoor to start when a user logs on. It also sets to '0' the value EnforceWriteProtection under the key:
- HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\Memory Management
thus disabling memory write protection for the computer.After this, it will start the following services that will also be automatically started every time that the system is booted:
- MMX virtualization service
- MMX2 virtualization service
Haxdoor is quite powerful and it is especially used to commit acts of economic fraud/theft, most of which are particularly targeted at Internet Explorer users. It targets several worldwide banks and financial services, both stealing account information and performing pharming.The following list is a sample of the banks included:
- Alliance-leicester
- Barclays
- Cajamadrid
- Deutsche-bank
- E-Bullion
- Firepay
- Halifax
- Lloyds
- Mastercard
- Paypal
- Wellsfargo
- Westernunion
- Yambo Financials
The backdoor also features a generic mechanism for stealing account information. In addition to this, Haxdoor.M will redirect traffic from several security websites to a Microsoft website. The list of redirected URLs:
- avp.ch
- avp.com
- avp.ru
- awaps.net
- customer.symantec.com
- d-eu-1f.kaspersky-labs.com
- d-eu-2f.kaspersky-labs.com
- dispatch.mcafee.com
- download.mcafee.com
- downloads1.kaspersky-labs.com
- downloads1.kaspersky-labs.com
- downloads1.kaspersky-labs.com
- downloads2.kaspersky-labs.com
- downloads3.kaspersky-labs.com
- downloads4.kaspersky-labs.com
- downloads-us1.kaspersky-labs.com
- downloads-us2.kaspersky-labs.com
- downloads-us3.kaspersky-labs.com
- d-ru-1f.kaspersky-labs.com
- d-ru-2f.kaspersky-labs.com
- d-us-1f.kaspersky-labs.com
- engine.awaps.net
- f-secure.com
- ftp.avp.ch
- ftp.downloads2.kaspersky-labs.com
- ftp.f-secure.com
- ftp.kaspersky.ru
- ftp.kasperskylab.ru
- ftp.sophos.com
- ids.kaspersky-labs.com
- kaspersky.com
- kaspersky-labs.com
- liveupdate.symantec.com
- liveupdate.symantec.com
- liveupdate.symantec.com
- liveupdate.symantecliveupdate.com
- liveupdate.symantecliveupdate.com
- mast.mcafee.com
- mcafee.com
- my-etrust.com
- networkassociates.com
- phx.corporate-ir.net
- rads.mcafee.com
- securityresponse.symantec.com
- service1.symantec.com
- sophos.com
- spd.atdmt.com
- symantec.com
- trendmicro.com
- update.symantec.com
- updates.symantec.com
- updates1.kaspersky-labs.com
- updates1.kaspersky-labs.com
- updates2.kaspersky-labs.com
- updates3.kaspersky-labs.com
- updates3.kaspersky-labs.com
- updates4.kaspersky-labs.com
- updates5.kaspersky-labs.com
- us.mcafee.com
- virustotal.com
Additionally, the backdoor can steal the following info:
- IMAP password
- IMAP server name
- IMAP user name
- POP3 password
- POP3 server name
- POP3 user name
Haxdoor.M also includes older functionality in other variants already detected by F-Secure. Additional details can be found in the description for Haxdoor.
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