Categories: Malware

What is “Application.AdInstall (A)”?

The Application.AdInstall (A) is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Application.AdInstall (A) virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (1 unique times)
  • Presents an Authenticode digital signature
  • Creates RWX memory
  • Reads data out of its own binary image
  • A process created a hidden window
  • The binary likely contains encrypted or compressed data.
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Attempts to modify proxy settings
  • Anomalous binary characteristics

Related domains:

api.opencandy.com

How to determine Application.AdInstall (A)?


File Info:

crc32: 3E8EE50Dmd5: a2af6ffbaeb660365224d3756cfd4fd3name: dexclock_13_r39.exesha1: 52fdeb586264802aa3e0a545f97c3bc6e664ceb1sha256: 719c9a3dee12c8ce4a47b3979102ed419d82d60405d2b21d99541c8371b6d44csha512: 7fcde250952196a040cfd139b7e9d36322a0cf2dc457fdae1277e0ae777972982b8b99fac72675621e49629704b049c0c7f16015cd349bf5965ef98d2721400fssdeep: 98304:dqIU5bj+MEOpqY30tBRd5iPKpCm4PrSfCc5xt5+Et9lQAU/IwvKNaonS8:dqIUBpL0b5iQCHr25xtPlQA7wvxoS8type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9 2010-2013 Dexpot GbRProductName: Dexclock 1.3 SetupFileDescription: Installer for Dexclock 1.3FileVersion: 1.3.0CompanyName: Dexpot GbRTranslation: 0x0000 0x04e4

Application.AdInstall (A) also known as:

CAT-QuickHeal PUA.OpenCandy.S108063
Cylance Unsafe
K7GW Unwanted-Program ( 004d38111 )
K7AntiVirus Unwanted-Program ( 004d38111 )
Cyren W32/OpenCandy.E.gen!Eldorado
TotalDefense Win32/Tnega.NGNfMBC
TrendMicro-HouseCall PUA.Win32.OpenCandy.GC
Avast Win32:OpenCandy-D [PUP]
GData Win32.Adware.OpenCandy.P
Kaspersky not-a-virus:Downloader.Win32.OpenCandy.ld
Alibaba Downloader:Win32/OpenCandy.893df3e1
NANO-Antivirus Riskware.Win32.OpenCandy.fgfbyf
AegisLab Adware.Win32.OpenCandy.2!c
DrWeb Adware.OpenCandy.4
Zillya Adware.OpenCandy.Win32.358
TrendMicro PUA.Win32.OpenCandy.GC
Emsisoft Application.AdInstall (A)
F-Prot W32/OpenCandy.E.gen!Eldorado
Webroot W32.Malware.Gen
Avira PUA/OpenCandy.Gen
Antiy-AVL GrayWare[AdWare]/Win32.OpenCandy.a
Endgame malicious (high confidence)
Microsoft PUA:Win32/CandyOpen
VBA32 AdWare.OpenCandy
Malwarebytes PUP.Optional.OpenCandy
ESET-NOD32 Win32/OpenCandy potentially unsafe
Rising PUF.OpenCandy!1.9DE5 (CLASSIC)
eGambit Unsafe.AI_Score_99%
Fortinet Riskware/OpenCandy
AVG Win32:OpenCandy-D [PUP]

How to remove Application.AdInstall (A)?

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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