TROJ_FRAUDPAC.IM
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This Trojan may be downloaded by other malware/grayware/spyware from remote sites. It may be unknowingly downloaded by a user while visiting malicious websites.
It uses Windows Task Scheduler to create a scheduled task that executes the dropped copy.
As of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
119,808 bytes
EXE
Yes
17 Mar 2011
Downloads files
Arrival Details
This Trojan may be downloaded by other malware/grayware/spyware from remote sites.
It may be unknowingly downloaded by a user while visiting malicious websites.
Installation
This Trojan drops the following copies of itself into the affected system:
- %Windows%\Gcawoa.exe
(Note: %Windows% is the Windows folder, which is usually C:\Windows or C:\WINNT.)
It uses Windows Task Scheduler to create a scheduled task that executes the dropped copy.
Autostart Technique
The scheduled task executes the malware every:
- 12:34 AM
Other System Modifications
This Trojan adds the following registry entries as part of its installation routine:
HKEY_CURRENT_USER\Software\{random characters}
{random characters} = "{random characters}"
It adds the following registry keys as part of its installation routine:
HKEY_CURRENT_USER\Software\{random characters}
Download Routine
This Trojan accesses the following websites to download files:
- http://{BLOCKED}te.com/1wave.php
- http://{BLOCKED}yline.com/1wave.php
- http://{BLOCKED}ve.com/1wave.php
- http://{BLOCKED}an.com/1wave.php
- http://{BLOCKED}wi.com/1wave.php
As of this writing, the said sites are inaccessible.
SOLUTION
8.900
7.908.10
17 Mar 2011
Step 1
For Windows ME and XP 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_FRAUDPAC.IM
- For Windows 98 and ME users, Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
- 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 key
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. Before you could do this, you must restart in Safe Mode. For instructions on how to do this, you may refer to this page If the preceding step requires you to restart in safe mode, you may proceed to edit the system registry.
- In HKEY_CURRENT_USER\Software
- {random characters}
Step 4
Delete the Scheduled Tasks added by this malware/grayware/spyware
To delete the added Scheduled Task file:
- Click on Start>Programs>Accessories>System Tools>Scheduled Tasks
- Double-click on a .JOB file.
- Check the value in the Run: field if it contains the name(s) of the malware file(s) detected earlier.
- If the above condition is true, select the .JOB file then press SHIFT+DELETE to permanently delete the file.
- Repeat step 2-4 for the remaining .JOB files.
Step 5
Scan your computer with your Trend Micro product to delete files detected as TROJ_FRAUDPAC.IM 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.
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