Trojan.Fakealert.55366

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Clients\StartMenuInternet\IEXPLORE.EXE\shell\open\command] '' = '"<LS_APPDATA>\iem.exe" -a "%ProgramFiles%\Internet Explorer\iexplore.exe"'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '1577711687' = '<LS_APPDATA>\iem.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ctfmon.exe' = '<SYSTEM32>\ctfmon.exe'

Malicious functions:

To bypass firewall, removes or modifies the following registry keys:

[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile] 'EnableFirewall' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile] 'DoNotAllowExceptions' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile] 'DisableNotifications' = '00000001'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DisableNotifications' = '00000001'

To complicate detection of its presence in the operating system,

blocks execution of the following system utilities:

Windows Update

blocks the following features:

Windows Security Center

Creates and executes the following:

'%TEMP%\d2AitUHDL.exe' (downloaded from the Internet)

Executes the following:

'%TEMP%\d2AitUHDL.exe'
'<LS_APPDATA>\iem.exe' -gav <Full path to virus>

Terminates or attempts to terminate

the following user processes:

safari.exe
opera.exe
chrome.exe
iexplore.exe
firefox.exe

Searches for registry branches where third party applications store passwords:

[<HKCU>\Software\VanDyke\SecureFX]
[<HKCU>\Software\FTPWare\COREFTP\Sites]
[<HKCU>\Software\Cryer\WebSitePublisher]
[<HKLM>\Software\NCH Software\ClassicFTP\FTPAccounts]
[<HKCU>\Software\ExpanDrive\Sessions]
[<HKCU>\Software\CoffeeCup Software\Internet\Profiles]
[<HKCU>\Software\BPFTP]
[<HKCU>\Software\BulletProof Software\BulletProof FTP Client\Options]
[<HKCU>\Software\TurboFTP]
[<HKCU>\Software\Sota\FFFTP\Options]
[<HKCU>\Software\Sota\FFFTP]
[<HKCU>\Software\NCH Software\ClassicFTP\FTPAccounts]
[<HKLM>\Software\Martin Prikryl]
[<HKCU>\Software\Martin Prikryl]
[<HKCU>\Software\South River Technologies\WebDrive\Connections]
[<HKCU>\Software\Microsoft\Internet Explorer\IntelliForms\Storage2]
[<HKLM>\Software\South River Technologies\WebDrive\Connections]
[<HKLM>\Software\SoftX.org\FTPClient\Sites]
[<HKLM>\SOFTWARE\NCH Software\Fling\Accounts]
[<HKCU>\SOFTWARE\NCH Software\Fling\Accounts]
[<HKCU>\Software\FTPClient\Sites]
[<HKCU>\Software\SoftX.org\FTPClient\Sites]
[<HKLM>\Software\FTPClient\Sites]
[<HKCU>\Software\GlobalSCAPE\CuteFTP 6 Professional\QCToolbar]
[<HKCU>\Software\GlobalSCAPE\CuteFTP 6 Home\QCToolbar]
[<HKCU>\Software\GlobalSCAPE\CuteFTP 7 Home\QCToolbar]
[<HKCU>\Software\GlobalSCAPE\CuteFTP 8 Home\QCToolbar]
[<HKCU>\Software\GlobalSCAPE\CuteFTP 7 Professional\QCToolbar]
[<HKLM>\Software\Ghisler\Total Commander]
[<HKCU>\Software\Far2\SavedDialogHistory\FTPHost]
[<HKCU>\Software\Far\SavedDialogHistory\FTPHost]
[<HKCU>\Software\Ghisler\Windows Commander]
[<HKLM>\Software\Ghisler\Windows Commander]
[<HKCU>\Software\Ghisler\Total Commander]
[<HKCU>\Software\GlobalSCAPE\CuteFTP 8 Professional\QCToolbar]
[<HKLM>\Software\FileZilla Client]
[<HKLM>\Software\FileZilla]
[<HKCU>\Software\BPFTP\Bullet Proof FTP\Main]
[<HKCU>\Software\BPFTP\Bullet Proof FTP\Options]
[<HKCU>\Software\BulletProof Software\BulletProof FTP Client\Main]
[<HKCU>\Software\FileZilla Client]
[<HKCU>\Software\FlashFXP]
[<HKCU>\Software\FlashFXP\3]
[<HKLM>\Software\FlashFXP\3]
[<HKCU>\Software\FileZilla]
[<HKLM>\Software\FlashFXP]

Modifies file system:

Creates the following files:

%TEMP%\pki19.tmp
<LS_APPDATA>\suam.exe
%TEMP%\pki18.tmp
%ALLUSERSPROFILE%\Application Data\vgic.exe
%TEMP%\pki1B.tmp
%TEMP%\ktqk.exe
%TEMP%\pki1A.tmp
%ALLUSERSPROFILE%\Application Data\qxkg.exe
%TEMP%\pki15.tmp
<LS_APPDATA>\wcsm.exe
%TEMP%\pki16.tmp
%HOMEPATH%\Templates\fmab.exe
%TEMP%\pki17.tmp
%TEMP%\yxut.exe
%HOMEPATH%\Templates\gcen.exe
<LS_APPDATA>\afe6lel3t068u8005ke6yj56dq5wn6f0h486l501cj0s54
%TEMP%\pki24.tmp
%TEMP%\pki23.tmp
%ALLUSERSPROFILE%\Application Data\afe6lel3t068u8005ke6yj56dq5wn6f0h486l501cj0s54
%TEMP%\d2AitUHDL.exe
%HOMEPATH%\Templates\afe6lel3t068u8005ke6yj56dq5wn6f0h486l501cj0s54
%TEMP%\afe6lel3t068u8005ke6yj56dq5wn6f0h486l501cj0s54
%TEMP%\pki1E.tmp
%TEMP%\pki1D.tmp
%TEMP%\pki1C.tmp
%TEMP%\pki1F.tmp
%TEMP%\pki22.tmp
%TEMP%\pki21.tmp
%TEMP%\pki20.tmp
%TEMP%\pkiA.tmp
%TEMP%\pki9.tmp
%TEMP%\pki8.tmp
%TEMP%\pkiB.tmp
%TEMP%\pkiE.tmp
%TEMP%\pkiD.tmp
%TEMP%\pkiC.tmp
%TEMP%\pki3.tmp
%TEMP%\pki2.tmp
%TEMP%\pki1.tmp
%TEMP%\pki4.tmp
%TEMP%\pki7.tmp
%TEMP%\pki6.tmp
%TEMP%\pki5.tmp
%TEMP%\pkiF.tmp
%ALLUSERSPROFILE%\Application Data\oysp.exe
<LS_APPDATA>\cjsd.exe
%HOMEPATH%\Templates\qtpi.exe
%TEMP%\xxxl.exe
%TEMP%\pki14.tmp
%HOMEPATH%\Templates\ktfx.exe
%TEMP%\pki13.tmp
%TEMP%\pki12.tmp
%TEMP%\pki11.tmp
%TEMP%\pki10.tmp
<LS_APPDATA>\iem.exe
%TEMP%\vpae.exe
%ALLUSERSPROFILE%\Application Data\yhxu.exe
<LS_APPDATA>\pgvw.exe

Deletes the following files:

%TEMP%\pki19.tmp
%TEMP%\pki18.tmp
%TEMP%\pki1B.tmp
%TEMP%\pki1A.tmp
%TEMP%\pki17.tmp
%TEMP%\pki14.tmp
%TEMP%\pki13.tmp
%TEMP%\pki16.tmp
%TEMP%\pki15.tmp
%TEMP%\pki22.tmp
%TEMP%\pki21.tmp
%TEMP%\pki24.tmp
%TEMP%\pki23.tmp
%TEMP%\pki20.tmp
%TEMP%\pki1D.tmp
%TEMP%\pki1C.tmp
%TEMP%\pki1F.tmp
%TEMP%\pki1E.tmp
%TEMP%\pki7.tmp
%TEMP%\pki6.tmp
%TEMP%\pki9.tmp
%TEMP%\pki8.tmp
%TEMP%\pki5.tmp
%TEMP%\pki2.tmp
%TEMP%\pki1.tmp
%TEMP%\pki4.tmp
%TEMP%\pki3.tmp
%TEMP%\pki10.tmp
%TEMP%\pkiF.tmp
%TEMP%\pki12.tmp
%TEMP%\pki11.tmp
%TEMP%\pkiE.tmp
%TEMP%\pkiB.tmp
%TEMP%\pkiA.tmp
%TEMP%\pkiD.tmp
%TEMP%\pkiC.tmp

Deletes itself.

Network activity:

Connects to:

'cy####jyvidiwi.com':80
'di###akiri.com':80
'tu####kenuqi.com':80
'xo###ipowu.com':80
'na####hohuly.com':80
'ly####wotucoh.com':80
'zo####kimewut.com':80
'za####dixahok.com':80
'nb#####nsn89m0nk.com':80
'xo####fehonog.com':80
'di####jubeka.com':80
'ro####zanasi.com':80
'fi####gymeba.com':80
'zy####movyxy.com':80

TCP:

HTTP GET requests:

http://nb#####nsn89m0nk.com/setup.exe

HTTP POST requests:

http://xo####fehonog.com/

UDP:

DNS ASK da###ufigaj.com
DNS ASK hi###umala.com
DNS ASK ne###ezyjih.com
DNS ASK xe####wunikyle.com
DNS ASK pi####caciqil.com
DNS ASK ny####wafyfa.com
DNS ASK dy####gymasasu.com
DNS ASK xy###yquk.com
DNS ASK co###irebu.com
DNS ASK lo####hosywaw.com
DNS ASK ce####zugyky.com
DNS ASK ro###ymici.com
DNS ASK di####mydupi.com
DNS ASK vu###uzuxil.com
DNS ASK microsoft.com
DNS ASK pu####pageta.com
DNS ASK ve###utuk.com
DNS ASK ly####fotoqy.com
DNS ASK xa###iwehiw.com
DNS ASK ro####zanasi.com
DNS ASK fi####gymeba.com
DNS ASK di###akiri.com
DNS ASK tu####kenuqi.com
DNS ASK zy####movyxy.com
DNS ASK nb#####nsn89m0nk.com
DNS ASK xo####fehonog.com
DNS ASK di####jubeka.com
DNS ASK za####dixahok.com
DNS ASK cy####jyvidiwi.com
DNS ASK ku###idewar.com
DNS ASK mu###ahyxar.com
DNS ASK pe###ukos.com
DNS ASK wu###osux.com
DNS ASK wa###opani.com
DNS ASK zo####kimewut.com
DNS ASK xo###ipowu.com
DNS ASK na####hohuly.com
DNS ASK ly####wotucoh.com

Miscellaneous:

Searches for the following windows:

ClassName: 'msascui_class' WindowName: ''
ClassName: 'Indicator' WindowName: ''

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