Categories: Malware

How to remove “NSIS/Injector.HF”?

The NSIS/Injector.HF 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 NSIS/Injector.HF virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Injection with CreateRemoteThread in a remote process
  • Creates RWX memory
  • Starts servers listening on 127.0.0.1:32767, 127.0.0.1:32768
  • Reads data out of its own binary image
  • Queries information on disks, possibly for anti-virtualization
  • Attempts to remove evidence of file being downloaded from the Internet
  • Executed a process and injected code into it, probably while unpacking
  • A process attempted to delay the analysis task by a long amount of time.
  • Tries to unhook or modify Windows functions monitored by Cuckoo
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
  • Creates a hidden or system file
  • Attempts to modify proxy settings
  • Clears Windows events or logs
  • Creates a copy of itself
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent file extensions from being displayed
  • Attempts to modify Explorer settings to prevent hidden files from being displayed

How to determine NSIS/Injector.HF?


File Info:

crc32: E95AB515md5: 9ad9a8d1ba6c0440edaafe81b7934db2name: 9AD9A8D1BA6C0440EDAAFE81B7934DB2.mlwsha1: 8bba2a011f72d2016b65d3c4e9e7cbee9a4cf27fsha256: 0c22dbc5e7f67c0bbd1cccc57472b03ce4f9da81e3e5a2d90309e382021e3831sha512: 6faa0b8000d6969fa3997ace614737b0981b33d448c64b3a1a4d2525773b41bae3afb6925b721b82e1b992bad33934d3906a5d3ac291b1ade9a2e13459548443ssdeep: 6144:0W+7+eMnFVjJetPYvAP7mAYFkrhUerTti0lvUWDYuxwivrQyASsUm90pBLi5Fc7U:0RuFVNe6lAYFkrhRNlvUHuxw0rQtSsthtype: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

LegalCopyright: (C) 2016 OracleInternalName: VBoxWindowsAdditions-x86.exeFileVersion: VBox 5.0.1.0CompanyName: OracleProductName: VBox Guest AdditionsProductVersion: 5.0.1.0FileDescription: VBox Guest AdditionsTranslation: 0x040c 0x04e4

NSIS/Injector.HF also known as:

Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 004fb47d1 )
DrWeb Trojan.DownLoader23.11526
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Generic
ALYac Gen:Variant.Ransom.2019
Cylance Unsafe
Zillya Trojan.GenericKD.Win32.128264
Sangfor Backdoor.Win32.Konus.8
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Trojan:Win32/Injector.16b77291
K7GW Trojan ( 004fb47d1 )
Cybereason malicious.1ba6c0
Symantec ML.Attribute.HighConfidence
ESET-NOD32 NSIS/Injector.HF
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Ransom.2019
NANO-Antivirus Trojan.Win32.Blocker.eijwlg
SUPERAntiSpyware Ransom.Locky/Variant
MicroWorld-eScan Gen:Variant.Ransom.2019
Tencent Win32.Trojan.Generic.Hxgj
Ad-Aware Gen:Variant.Ransom.2019
Sophos Mal/Generic-R + Mal/Miuref-L
Comodo Malware@#3prpg41gdkyx7
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_NSISRansom.SM001
McAfee-GW-Edition BehavesLike.Win32.Dropper.fc
FireEye Gen:Variant.Ransom.2019
Emsisoft Gen:Variant.Ransom.2019 (B)
Webroot Trojan.Dropper.Gen
Avira HEUR/AGEN.1102533
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Backdoor:Win32/Konus.A
Arcabit Trojan.Ransom.D7E3
AegisLab Trojan.Win32.Generic.4!c
GData Gen:Variant.Ransom.2019
TACHYON Ransom/W32.Blocker.392130
AhnLab-V3 Trojan/Win32.Locky.C1614510
McAfee Artemis!9AD9A8D1BA6C
MAX malware (ai score=89)
VBA32 Trojan.Downloader
Malwarebytes Ransom.Cerber
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_NSISRansom.SM001
Fortinet W32/Injector.HC!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Ransom.e0e

How to remove NSIS/Injector.HF?

  • 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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