TSPY_FLASHFLOOD.AA
Windows
Threat Type: Spyware
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
TECHNICAL DETAILS
94,208 bytes
EXE
No
06 Jun 2015
Arrival Details
This spyware 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 spyware drops the following copies of itself into the affected system:
- %Start Menu%\Programs\Outlook Express\msinme.exe
(Note: %Start Menu% is the Start Menu folder, where it usually is C:\Documents and Settings\{user name}\Start Menu on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
It creates the following folders:
- %Start Menu%\Programs\Outlook Express
- %Start Menu%\Programs\Outlook Express\data
- %Start Menu%\Programs\Outlook Express\data\FlashFiles
- %Start Menu%\Programs\Outlook Express\data\LastFiles
- %Start Menu%\Programs\Outlook Express\data\RecentFiles
(Note: %Start Menu% is the Start Menu folder, where it usually is C:\Documents and Settings\{user name}\Start Menu on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
Other System Modifications
This spyware deletes the following files:
- %Start Menu%\Programs\Outlook Express\data
- %Start Menu%\Programs\Outlook Express\data\FlashFiles
- %Start Menu%\Programs\Outlook Express\data\LastFiles
- %Start Menu%\Programs\Outlook Express\data\RecentFiles
- %Start Menu%\Programs\Outlook Express\data\Info.txt
(Note: %Start Menu% is the Start Menu folder, where it usually is C:\Documents and Settings\{user name}\Start Menu on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
It adds the following registry keys:
HKEY_LOCAL_MACHINE\Software\Microsoft\
GetInf
It adds the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
GetInf
lnk = "ntjonf/mol"
Dropping Routine
This spyware drops the following files:
- %User Startup%\msinme.lnk
- %Start Menu%\Programs\Outlook Express\FILETIME.DAT
(Note: %User Startup% is the current user's Startup folder, which is usually C:\Windows\Profiles\{user name}\Start Menu\Programs\Startup on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Start Menu\Programs\Startup on Windows NT, and C:\Documents and Settings\{User name}\Start Menu\Programs\Startup.. %Start Menu% is the Start Menu folder, where it usually is C:\Documents and Settings\{user name}\Start Menu on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
This report is generated via an automated analysis system.
SOLUTION
9.750
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
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.
- In HKEY_LOCAL_MACHINE\Software\Microsoft
- GetInf
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_LOCAL_MACHINE\SOFTWARE\Microsoft\GetInf
- lnk = "ntjonf/mol"
Step 4
Search and delete these components
- %User Startup%\msinme.lnk
- %Start Menu%\Programs\Outlook Express\FILETIME.DAT
Step 5
Search and delete these folders
- %Start Menu%\Programs\Outlook Express
- %Start Menu%\Programs\Outlook Express\data
- %Start Menu%\Programs\Outlook Express\data\FlashFiles
- %Start Menu%\Programs\Outlook Express\data\LastFiles
- %Start Menu%\Programs\Outlook Express\data\RecentFiles
Step 6
Scan your computer with your Trend Micro product to delete files detected as TSPY_FLASHFLOOD.AA. 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.
Step 7
Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.
- %Start Menu%\Programs\Outlook Express\data
- %Start Menu%\Programs\Outlook Express\data\FlashFiles
- %Start Menu%\Programs\Outlook Express\data\LastFiles
- %Start Menu%\Programs\Outlook Express\data\RecentFiles
- %Start Menu%\Programs\Outlook Express\data\Info.txt
Did this description help? Tell us how we did.