TROJ_FAKEAV.QIUM
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It connects to certain URLs. It may do this to remotely inform a malicious user of its installation. It may also do this to download possibly malicious files onto the computer, which puts the computer at a greater risk of infection by other threats.
It deletes the initially executed copy of itself.
It displays fake alerts.
TECHNICAL DETAILS
415,744 bytes
EXE
Yes
27 Aug 2011
Arrival Details
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This Trojan drops the following files:
- %System Root%\Documents and Settings\All Users\Application Data\{malware file name}
- %User Profile%\Application Data\Microsoft\Internet Explorer\Quick Launch\HDD Repair.lnk
- %User Profile%\Desktop\HDD Repair.lnk
- %User Profile%\Start Menu\Programs\HDD Repair\HDD Repair.lnk
- %User Profile%\Start Menu\Programs\HDD Repair\Uninstall HDD Repair.lnk
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.. %User Profile% is the current user's profile folder, which is usually C:\Windows\Profiles\{user name} on Windows 98 and ME, C:\WINNT\Profiles\{user name} on Windows NT, and C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003.)
It drops the following copies of itself into the affected system:
- %System Root%\Documents and Settings\All Users\Application Data\{random characters}.exe
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)
It creates the following folders:
- %User Profile%\Start Menu\Programs\HDD Repair
(Note: %User Profile% is the current user's profile folder, which is usually C:\Windows\Profiles\{user name} on Windows 98 and ME, C:\WINNT\Profiles\{user name} on Windows NT, and C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003.)
Other System Modifications
This Trojan adds the following registry entries:
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Main
Use FormSuggest = Yes
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings
WarnOnZoneCrossing = 0
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings
WarnonBadCertRecving = 0
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings
CertificateRevocation = 0
Download Routine
This Trojan connects to the following malicious URLs:
- {BLOCKED}woke.org
- {BLOCKED}leach.org
- {BLOCKED}awn.org
- {BLOCKED}erefore.org
- {BLOCKED}eated.org
- {BLOCKED}young.org
Other Details
This Trojan deletes the initially executed copy of itself
Rogue Antivirus Routine
This Trojan displays fake alerts.
SOLUTION
9.200
8.380.13
27 Aug 2011
Step 1
For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.
Step 2
Identify and terminate files detected as TROJ_FAKEAV.QIUM
- If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
- If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.
Step 3
Delete this registry value
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
- Use FormSuggest = Yes
- Use FormSuggest = Yes
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
- WarnOnZoneCrossing = 0
- WarnOnZoneCrossing = 0
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
- WarnonBadCertRecving = 0
- WarnonBadCertRecving = 0
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
- CertificateRevocation = 0
- CertificateRevocation = 0
Step 4
Search and delete these folders
Step 5
Search and delete these files
Step 6
Scan your computer with your Trend Micro product to delete files detected as TROJ_FAKEAV.QIUM. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
NOTES:
Recommendations:
This malware is detected and removed by the latest Trend Micro anti-malware engine and pattern. Always keep pattern files and engines up-to-date. To know more about updating your Trend Micro product’s pattern, please refer to the Trend Micro support page.
Note: The steps apply for specific products indicated in the page.
To actively detect and protect your machine, enable real-time scanning of your Trend Micro anti-malware product. Refer to the following Trend Micro support page to know more about enabling real-time scanning in your Trend Micro product:
Be aware of social engineering attacks.
Configure your email server to block or remove email that contain file attachments using extensions such as .vbs, .bat, .exe, .pif and .scr files.
Avoid opening email attachments and clicking links in an email from unknown source.
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