Packed.Dromedan!gen23 (Norton) ; Troj/Bundpil-Z (Sophos-Lite) ; Trojan:Win32/Nagram!rfn (Microsoft)
Windows
This Worm arrives via removable drives. It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
However, as of this writing, the said sites are inaccessible.
Arrival Details
This Worm arrives via removable drives.
It 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 Worm drops the following files:
It adds the following mutexes to ensure that only one of its copies runs at any one time:
Other System Modifications
This Worm adds the following registry entries:
HKEY_CURRENT_USER\Keyboard Layout
2 = "{hex values}"
HKEY_CURRENT_USER\Software\Microsoft\
Windows
{Volume Serial Number} = "{hex values}"
Download Routine
This Worm connects to the following URL(s) to download its component file(s):
Other Details
This Worm requires the existence of the following files to properly run:
It checks for the presence of the following process(es):
It does the following:
(Note: %User Startup% is the current user's Startup folder, which is usually C:\Documents and Settings\{user}\Start Menu\Programs\Startup on Windows 2000 and XP, and C:\Documents and Settings\{User name}\Start Menu\Programs\Startup on Windows Vista, 7, and 8.)
However, as of this writing, the said sites are inaccessible.
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.
Step 3
Identify and terminate files detected as WORM_GAMARUE.THEAFAI
Step 4
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.
Step 5
Search and delete these files
Step 6
Scan your computer with your Trend Micro product to delete files detected as WORM_GAMARUE.THEAFAI. 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 the following Trend Micro Support pages for more information: