Malware

3721 (file analysis)

Malware Removal

The 3721 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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What 3721 virus can do?

  • Attempts to connect to a dead IP:Port (3 unique times)
  • Creates RWX memory
  • Reads data out of its own binary image
  • Performs some HTTP requests
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • Attempts to modify proxy settings
  • Anomalous binary characteristics

Related domains:

z.whorecord.xyz
a.tomx.xyz
www.bing.com
www.uzzf.com
pic.uzzf.com
nz.qqtn.com

How to determine 3721?


File Info:

crc32: 0CFC9DA0
md5: b40ce944ebf581cb99627c4367e8d4e3
name: realproducerplusszl.exe
sha1: a1b7c2fa36358168b0b0c95ef8b56180d9da9a6f
sha256: a71b72c3ae454f097d5e36ab2d7eb64cf12e95f7c0226d30af8b02781a4d0be3
sha512: 573f6ccbab8a7e6ae85270d5fdd26f970636e79e7b4c90fa181985b87ce3e354e8cb41e8f2a7b80e0c9e91ebc39fe89f11beb890be3e4bac9a5b06c511f6569c
ssdeep: 393216:8Tap7H+qNh7bbWLQkIj9/rrJrBH0Hm9fa89:+g7eu7vWLQk+VrjUHmF
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

3721 also known as:

BkavW32.FamVT.StartPage.e.Trojan
MicroWorld-eScanTrojan.StartPage.ZZT
CAT-QuickHealTrojan.ZAgent.r4
McAfeeArtemis!B40CE944EBF5
MalwarebytesTrojan.Startpage
K7AntiVirusAdware ( 000050001 )
K7GWAdware ( 000050001 )
TheHackerTrojan/Agent.adv
AgnitumTrojan.DL.Agent!ORb7mw1twy8
F-ProtREG/StartPage
SymantecWS.Reputation.1
NormanDLoader.SHHS
TotalDefenseTnega.XAVF!suspicious
TrendMicro-HouseCallVBS_PASTA.ZX
AvastWin32:Trojan-gen
KasperskyTrojan.Win32.StartPage.balf
NANO-AntivirusTrojan.Reg.StartPage.bdjfd
TencentWin32.Trojan.Startpage.Pbyq
Ad-AwareTrojan.StartPage.ZZT
ComodoTrojWare.Win32.StartPage.~ZZT
F-SecureTrojan.StartPage.ZZT
DrWebTrojan.StartPage.54021
VIPRETrojan.StartPage
TrendMicroVBS_PASTA.ZX
McAfee-GW-EditionStartPage-NY!reg
Sophos3721
CyrenREG/StartPage
JiangminTrojan/StartPage.run
AviraTR/StartPage.zzta
Antiy-AVLTrojan/Win32.StartPage.balf
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftSpyware:Win32/CnsMin
GDataWin32.Trojan.Agent.PKKV0I
AhnLab-V3Win-Trojan/Startpage.117587
AVwareTrojan.StartPage
VBA32REG.StartPage.NAN
Baidu-InternationalTrojan.Win32.StartPage.balf
ESET-NOD32REG/StartPage.NAN
RisingNORMAL:Trojan.Win32.WinREG.StartPage.g!1599298
IkarusTrojan.Win32.StartPage
FortinetW32/WSearch
AVGToolbar.FC
PandaTrj/OCJ.E
Qihoo-360Malware.Radar05.Gen

How to remove 3721?

3721 removal tool
  • 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.

About the author

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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