PUA.Win32.Vittalia.AN
Riskware/Vittalia (FORTINET)
Windows
Threat Type: Potentially Unwanted Application
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
This Potentially Unwanted Application arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It does not have any propagation routine.
It does not have any backdoor routine.
It connects to certain websites to send and receive information. However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
2,488,144 bytes
EXE
No
04 Jan 2023
Connects to URLs/IPs, Displays message/message boxes, Drops files, Downloads components
Arrival Details
This Potentially Unwanted Application 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 Potentially Unwanted Application adds the following folders:
- %User Temp%\ns{Random Characters}.tmp
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
It drops the following files:
- %User Temp%\1.txt
- %User Temp%\8157Installer.exe
- %User Temp%\8157Installer.INI
- %User Temp%\8157fondo.bmp.zip
- %Malware Path%\fondo.bmp
- %User Temp%\8157header.bmp.zip
- %Malware Path%\header.bmp
- %User Temp%\license.rtf
- %User Temp%\ajax_loader.gif
- %User Temp%\instloffer.exe
- %User Temp%\vittalia.jpg
- %User Temp%\square_babylonv3.bmp
- %User Temp%\toolbar_bbv3.bmp
- %User Temp%\square_babylonv2.bmp
- %User Temp%\toolbar_bbv2.bmp
- %User Temp%\square_babylon.bmp
- %User Temp%\toolbar_bb.bmp
- %User Temp%\square_coupish.bmp
- %User Temp%\coupish_largo.gif
- %User Temp%\square_dealply.bmp
- %User Temp%\dealply_largo.gif
- %User Temp%\moreinfo_coupondropdown.bmp
- %User Temp%\square_coupondropdown.bmp
- %User Temp%\square_speedupmypc.bmp
- %User Temp%\moreinfo_speedupmypc.bmp
- %User Temp%\square_driverscanner.bmp
- %User Temp%\moreinfo_driverscanner.bmp
- %User Temp%\yontoo.bmp
- %User Temp%\freetwittube_logo.bmp
- %User Temp%\freetwittube_image1.bmp
- %User Temp%\square_freetwittube.bmp
- %User Temp%\qtrax_image1.bmp
- %User Temp%\square_qtrax.bmp
- %User Temp%\freetwittube_text.rtf
- %User Temp%\ns{Random Characters}.tmp\modern-header.bmp
- %User Temp%\ns{Random Characters}.tmp\modern-wizard.bmp
- %User Temp%\ns{Random Characters}.tmp\System.dll
- %User Temp%\ns{Random Characters}.tmp\inetc.dll
- %User Temp%\0001geo.tmp
- %User Temp%\0001api.tmp
- %User Temp%\0001api.tmp
- %User Temp%\ns{Random Characters}.tmp\nsArray.dll
- %User Temp%\0001inst.tmp
- %User Temp%\0001api.tmp
- %User Temp%\0001api.tmp
- %User Temp%\ns{Random Characters}.tmp\nsDialogs.dll
- %User Temp%\0001inst.tmp
- %User Temp%\ns{Random Characters}.tmp\ButtonEvent.dll
- %User Temp%\0001inst.tmp
- %User Temp%\ns{Random Characters}.tmp\BgWorker.dll
- %User Temp%\ns{Random Characters}.tmp\execDos.dll
- %User Temp%\0001inst.tmp
- %User Temp%\ns{Random Characters}.tmp\inetc.dll
- %User Temp%\ns{Random Characters}.tmp\ThreadTimer.dll
- %User Temp%\tbbabylonv3.exe
- %User Temp%\ns{Random Characters}.tmp\Anuncios.dll
- %User Temp%\ns{Random Characters}.tmp\sarainetc2.dll
- %User Temp%\ns{Random Characters}.tmp\nsExec.dll
- %User Temp%\ns{Random Characters}.tmp\ns9E92.tmp
- %User Temp%\ns{Random Characters}.tmp\System.dll
- %User Temp%\0001inst.tmp
- %User Temp%\ns{Random Characters}.tmp\animgif.dll
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
It adds the following processes:
- "%User Temp%\8157Installer.exe" /KEYWORD=8157 "/PATHFILES=%User Temp%\"
- %User Temp%\instloffer.exe "/SENDREPORTS=1" "/REPORTURL=http://xmlinstcp.{BLOCKED}t.eu/cmd/report.php" "/PARTNERID=TRAILSJA" "/OFFERID={ID}" "/PROGRAMURLENCODED=7-Zip%20File%20Manager%209%20" "/ORIGEN=" "/OFFERKEYWORD=BABYLONV3" "/OFFERURL=http://media.{BLOCKED}vita.com.es/xmlstatic/installers/software/babylon/babylonv3.exe" "/OFFERPARAMS=/babTrack=#affID={ID}# /S /aflt=babsst /instlref=sst /srcExt=ss /mnt /mhp /mds " "/OFFERPARAMSURLENCODED=%2FbabTrack%3D%23affID%3D{ID}%23%20%2FS%20%2Faflt%3Dbabsst%20%2Finstlref%3Dsst%20%2FsrcExt%3Dss%20%2Fmnt%20%2Fmhp%20%2Fmds%20" "/CHANNEL={ID}" "/CONVERSIONURL=" "/INSTTYPE=ax"
- "%User Temp%\nsk8DBF.tmp\ns9E92.tmp" "%User Temp%\tbbabylonv3.exe" /babTrack="affID={ID}" /S /aflt=babsst /instlref=sst /srcExt=ss /mnt /mhp /mds
- "%Program Files%\Google\Chrome\Application\chrome.exe" --single-argument http://japanese.{BLOCKED}framework.org/lv/afterdownload/view.htm?product=CloneCD%205.3.1.4%20
Propagation
This Potentially Unwanted Application does not have any propagation routine.
Backdoor Routine
This Potentially Unwanted Application does not have any backdoor routine.
Rootkit Capabilities
This Potentially Unwanted Application does not have rootkit capabilities.
Download Routine
This Potentially Unwanted Application connects to the following URL(s) to download its component file(s):
- http://media.{BLOCKED}ita.com.es/xmlstatic/ads/afterdownload_trailsframework.html
- http://media.{BLOCKED}ita.com.es/xmlstatic/installers/software/babylon/babylonv3.exe
- http://pf.{BLOCKED}t.com/s/2/8/28544-661074-7-zip-file-manager.exe
It saves the files it downloads using the following names:
- %User Temp%\afterdownload_trailsframework.html
- %User Temp%\babylonv3.exe
- %User Temp%\28544-661074-7-zip-file-manager.exe
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
Other Details
This Potentially Unwanted Application adds the following registry keys:
HKEY_LOCAL_MACHINE\SOFTWARE\Vittalia
It connects to the following website to send and receive information:
- http://xmlinstcp.{BLOCKED}t.eu/cmd/geo.php
- http://xmlinstcp.{BLOCKED}t.eu/cmd/api.php?action=newenduser
- http://xmlinstcp.{BLOCKED}t.eu/cmd/api.php?action=enduser&enduser_id=
- http://xmlinstcp.{BLOCKED}t.eu/cmd/report.php?PartnerId=TRAILSJA&OfferId{ID}&action=startedInstall&program=7-Zip%20File%20Manager%209%20¶meter=&origen=&of{ID}&ofSel{ID}&ofNos_mi=/noempty&ofNos_ot=/noempty&ofDis_mi=/noempty&ofDis_ot=/noempty
- http://xmlinstcp.{BLOCKED}t.eu/cmd/report.php?PartnerId=TRAILSJA&OfferId{ID}&action=OfferShown&program=7-Zip%20File%20Manager%209%20&origen=
- http://xmlinstcp.{BLOCKED}t.eu/cmd/report.php?PartnerId=TRAILSJA&OfferId{ID}&action=OfferAccepted¶meter=%2FbabTrack%3D%23affID%3D115285%23%20%2FS%20%2Faflt%3Dbabsst%20%2Finstlref%3Dsst%20%2FsrcExt%3Dss%20%2Fmnt%20%2Fmhp%20%2Fmds%20&program=7-Zip%20File%20Manager%209%20&origen=&toolbar=1&homepage=1&feed=1
- http://xmlinstcp.{BLOCKED}t.eu/cmd/report.php?PartnerId=TRAILSJA&OfferId{ID}&action=StartDownload&program=7-Zip%20File%20Manager%209%20&origen=&of{ID}
- http://xmlinstcp.{BLOCKED}t.eu/cmd/report.php?PartnerId=TRAILSJA&OfferId{ID}&action=OfferInstallCompleted¶meter=error¶meter2=%2FbabTrack%3D%23affID%3D115285%23%20%2FS%20%2Faflt%3Dbabsst%20%2Finstlref%3Dsst%20%2FsrcExt%3Dss%20%2Fmnt%20%2Fmhp%20%2Fmds%20&program=7-Zip%20File%20Manager%209%20&origen=&prod=BT&ch=115285&babylonv3_mntrid=
- http://xmlinstcp.{BLOCKED}t.eu/cmd/report.php?PartnerId=TRAILSJA&OfferId{ID}&action=EndInstall&program=7-Zip%20File%20Manager%209%20&origen=&of{ID}
It does the following:
- It opens the following website through browser:
- http://japanese.{BLOCKED}framework.org/lv/afterdownload/view.htm?product=CloneCD%205.3.1.4%20
- It displays the following during installation:
However, as of this writing, the said sites are inaccessible.
It does not exploit any vulnerability.
SOLUTION
9.800
2.583.00
05 Jan 2023
Step 1
Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 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.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Vittalia
Step 4
Search and delete these files
- %User Temp%\1.txt
- %User Temp%\8157Installer.exe
- %User Temp%\8157Installer.INI
- %User Temp%\8157fondo.bmp.zip
- %Malware Path%\fondo.bmp
- %User Temp%\8157header.bmp.zip
- %Malware Path%\header.bmp
- %User Temp%\license.rtf
- %User Temp%\ajax_loader.gif
- %User Temp%\instloffer.exe
- %User Temp%\vittalia.jpg
- %User Temp%\square_babylonv3.bmp
- %User Temp%\toolbar_bbv3.bmp
- %User Temp%\square_babylonv2.bmp
- %User Temp%\toolbar_bbv2.bmp
- %User Temp%\square_babylon.bmp
- %User Temp%\toolbar_bb.bmp
- %User Temp%\square_coupish.bmp
- %User Temp%\coupish_largo.gif
- %User Temp%\square_dealply.bmp
- %User Temp%\dealply_largo.gif
- %User Temp%\moreinfo_coupondropdown.bmp
- %User Temp%\square_coupondropdown.bmp
- %User Temp%\square_speedupmypc.bmp
- %User Temp%\moreinfo_speedupmypc.bmp
- %User Temp%\square_driverscanner.bmp
- %User Temp%\moreinfo_driverscanner.bmp
- %User Temp%\yontoo.bmp
- %User Temp%\freetwittube_logo.bmp
- %User Temp%\freetwittube_image1.bmp
- %User Temp%\square_freetwittube.bmp
- %User Temp%\qtrax_image1.bmp
- %User Temp%\square_qtrax.bmp
- %User Temp%\freetwittube_text.rtf
- %User Temp%\ns{Random Characters}.tmp\modern-header.bmp
- %User Temp%\ns{Random Characters}.tmp\modern-wizard.bmp
- %User Temp%\ns{Random Characters}.tmp\System.dll
- %User Temp%\ns{Random Characters}.tmp\inetc.dll
- %User Temp%\0001geo.tmp
- %User Temp%\0001api.tmp
- %User Temp%\0001api.tmp
- %User Temp%\ns{Random Characters}.tmp\nsArray.dll
- %User Temp%\0001inst.tmp
- %User Temp%\0001api.tmp
- %User Temp%\0001api.tmp
- %User Temp%\ns{Random Characters}.tmp\nsDialogs.dll
- %User Temp%\0001inst.tmp
- %User Temp%\ns{Random Characters}.tmp\ButtonEvent.dll
- %User Temp%\0001inst.tmp
- %User Temp%\ns{Random Characters}.tmp\BgWorker.dll
- %User Temp%\ns{Random Characters}.tmp\execDos.dll
- %User Temp%\0001inst.tmp
- %User Temp%\ns{Random Characters}.tmp\inetc.dll
- %User Temp%\ns{Random Characters}.tmp\ThreadTimer.dll
- %User Temp%\tbbabylonv3.exe
- %User Temp%\ns{Random Characters}.tmp\Anuncios.dll
- %User Temp%\ns{Random Characters}.tmp\sarainetc2.dll
- %User Temp%\ns{Random Characters}.tmp\nsExec.dll
- %User Temp%\ns{Random Characters}.tmp\ns9E92.tmp
- %User Temp%\ns{Random Characters}.tmp\System.dll
- %User Temp%\0001inst.tmp
- %User Temp%\ns{Random Characters}.tmp\animgif.dll
- %User Temp%\afterdownload_trailsframework.html
- %User Temp%\babylonv3.exe
- %User Temp%\28544-661074-7-zip-file-manager.exe
Step 5
Search and delete these folders
- %User Temp%\ns{Random Characters}.tmp
Step 6
Scan your computer with your Trend Micro product to delete files detected as PUA.Win32.Vittalia.AN. 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:
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