ADW_SWEETIM
Win32/AdWare.1ClickDownload.AT application (ESET)
Windows
Threat Type: Adware
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This adware 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
302,720 bytes
EXE
No
27 Nov 2014
Arrival Details
This adware 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 adware drops the following files:
- %User Temp%\ns{random letter}20.tmp\dAg
- %User Temp%\ns{random letter}20.tmp\locate.dll
- %User Temp%\ns{random character}20.tmp\nsProcess.dll
- %Desktop%\FTDownloader.lnk
- %Start Menu%\Programs\FTDownloader.com\FTDownloader.lnk
- %Start Menu%\Programs\FTDownloader.com\Uninstall.lnk
- %Program Files%\FTDownloader.com\uninst.exe
It creates the following folders:
- %User Temp%\ns{random letter}20.tmp
(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp 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 adware adds the following registry keys:
HKEY_CURRENT_USER\Software\1ClickDownload
HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
1ClickDownload
HKEY_LOCAL_MACHINE\Software\Classes\
FTDownloader
HKEY_LOCAL_MACHINE\Software\Classes\
FTDownloader\DefaultIcon
HKEY_LOCAL_MACHINE\Software\Classes\
FTDownloader\DefaultIcon\shell
HKEY_LOCAL_MACHINE\Software\Classes\
FTDownloader\DefaultIcon\shell\
open
HKEY_LOCAL_MACHINE\Software\Classes\
FTDownloader\DefaultIcon\shell\
open\command
It adds the following registry entries:
HKEY_CURRENT_USER\Software\1ClickDownload
LastInstall0 = 30413513
HKEY_CURRENT_USER\Software\1ClickDownload
LastInstall3 = 30413513
HKEY_CURRENT_USER\Software\1ClickDownload
UID = 296451073
HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
1ClickDownload
Publisher = FTDOwnloader.com
HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
1ClickDownload
DisplayName = FTDownloader
HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
1ClickDownload
UninstallString = %Program Files%\FTDownloader.com\uninst.exe
HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
1ClickDownload
DisplayVersion = 2.1 Build 26473
HKEY_LOCAL_MACHINE\Software\Classes\
FTDownloader
URL Protocol =
HKEY_LOCAL_MACHINE\Software\Classes\
FTDownloader
(Default) = FTDownloader URI
HKEY_LOCAL_MACHINE\Software\Classes\
FTDownloader
Content Type = application/x-FTDownloader
HKEY_LOCAL_MACHINE\Software\Classes\
FTDownloader\DefaultIcon
(Default) = %Program Files%\FTDownloader.com\FTDownloader.exe,0
HKEY_LOCAL_MACHINE\Software\Classes\
FTDownloader\DefaultIcon\shell
(Default) = open
HKEY_LOCAL_MACHINE\Software\Classes\
FTDownloader\DefaultIcon\shell\
open\command
(Default) = "%Program Files%\FTDownloader.com\FTDownloader.exe" /u="%1"
Download Routine
This adware saves the files it downloads using the following names:
- %Program Files%\FTDownloader.com\FTDownloader.exe
- %Program Files%\FTDownloader.com\FLTextsetup.exe
Other Details
This adware connects to the following possibly malicious URL:
- www1.{BLOCKED}sfiles.com/FTDownloader.exe
- www1.{BLOCKED}sfiles.com/ft3extsetup10.exe
- data.{BLOCKED}v.net/country.asp?st={data}
- data.{BLOCKED}v.net/ping2.asp?uid={data}
SOLUTION
9.700
1.572.03
03 Dec 2014
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
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.
- HKEY_CURRENT_USER\Software\1ClickDownload
- HKEY_LOCAL_MACHINE\Software\Classes\FTDownloader
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\1ClickDownload
Step 4
Search and delete these folders
- %User Temp%\ns{random letter}20.tmp
- %Start Menu%\Programs\FTDownloader.com
- %Program Files%\FTDownloader.com
Step 5
Search and delete this file
- %Desktop%\\FTDownloader.lnk
Step 6
Scan your computer with your Trend Micro product to delete files detected as ADW_SWEETIM. 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.
Did this description help? Tell us how we did.