ADW_SWIFTBROWSE
NSIS:BrowseFox-D [PUP] (Avast); Adware/BrowseFox.apo (Avira); Adware.SwiftBrowse.AM (F-Secure); Adware.SwiftBrowse.AM (BitDefender);
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.
However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
581,984 bytes
EXE
No
16 Dec 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%\Greener Web\GreenerWeb.mg.exe
- %User Temp%\Greener Web\lm
- %User Temp%\Greener Web\mj
- %User Temp%\Greener Web\tlg
- %User Temp%\ilg
- %User Temp%\ns{random}.tmp\ExecDos.dll
- %User Temp%\ns{random}.tmp\inetc.dll
- %User Temp%\ns{random}.tmp\IpConfig.dll
- %User Temp%\ns{random}.tmp\nsExec.dll
- %User Temp%\ns{random}.tmp\nsF7.tmp
- %User Temp%\ns{random}.tmp\nsF8.tmp
- %User Temp%\ns{random}.tmp\NSISEncrypt.dll
- %User Temp%\ns{random}.tmp\nsJSON.dll
- %User Temp%\ns{random}.tmp\System.dll
- %User Temp%\ns{random}.tmp\UserInfo.dll
- %User Temp%\ns{random}.tmp\WmiInspector.dll
(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.)
It creates the following folders:
- %User Temp%\Greener Web
- %User Temp%\ns{random}.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 Details
This adware connects to the following possibly malicious URL:
- http://{BLOCKED}l.greenerweb.info/mg?alpha={data}
- http://{BLOCKED}l.greenerweb.info/fp?alpha={data}
- http://{BLOCKED}l.greenerweb.info/ii?alpha={data}
- http://{BLOCKEDl.greenerweb.info/if?alpha={data}
However, as of this writing, the said sites are inaccessible.
SOLUTION
9.700
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
Search and delete this file
- %User Temp%\ilg
Step 4
Search and delete these folders
- %User Temp%\Greener Web
- %User Temp%\ns{random}.tmp
Step 5
Scan your computer with your Trend Micro product to delete files detected as ADW_SWIFTBROWSE. 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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