NSIS:Loderka-AF [PUP] (file analysis)

The NSIS:Loderka-AF [PUP] 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

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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 NSIS:Loderka-AF [PUP] virus can do?

Sample contains Overlay data
The binary contains an unknown PE section name indicative of packing
Authenticode signature is invalid

How to determine NSIS:Loderka-AF [PUP]?


File Info:
name: 559137E24C6899C4C7B5.mlw
path: /opt/CAPEv2/storage/binaries/a3b8a49b8ba1b375167f2f1c50cf9a2018620d2369062957e2aaecc4fff5b8bc
crc32: DAD6EE17
md5: 559137e24c6899c4c7b54b9c5d18c512
sha1: 87be44f3bf5f334bb216f8bc74c9af921f32fa34
sha256: a3b8a49b8ba1b375167f2f1c50cf9a2018620d2369062957e2aaecc4fff5b8bc
sha512: 469cb6e85b96b910ffca05d349f8aa67743df8c946c0259269ab369e946ebf56654a414d56a99939740ca1a3c571322668d2f56a750bcc9456d5de7922434c73
ssdeep: 98304:AdnPVgcctVPKOttoKJ7nmWug8Ro8OOFDsv:A1VEVPKU1t6oFuw
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1FF363342B7D2447AF83921348C96C194DE2BBD6C2CC1213D5CF5EA9EA679BD16C3E630
sha3_384: 1730bfa929de5dce19fb8d649c632d884eb7de95e95a83fd027105404e855c9a452229780a63d81dc8b5288a9cc901c9
ep_bytes: 558bec83c4a453565733c08945c48945
timestamp: 2012-10-02 05:04:04

Version Info:
Comments: This installation was built with Inno Setup.
CompanyName:                                                             
FileDescription: Setup For Stellaris                                         
FileVersion: 1.0.0               
LegalCopyright: ©                                                                                                   
ProductName: Stellaris                                                   
ProductVersion: 2.7.2               
Translation: 0x0000 0x04b0

NSIS:Loderka-AF [PUP] also known as:

Bkav	W32.AIDetectMalware
Lionic	Riskware.Win32.Loderka.1!c
Elastic	malicious (moderate confidence)
DrWeb	Adware.Downware.19891
Skyhigh	BehavesLike.Win32.BadFile.rc
McAfee	Artemis!559137E24C68
Malwarebytes	Generic.Malware/Suspicious
Sangfor	Adware.Win32.Loderka.Vqza
K7AntiVirus	Adware ( 005515ea1 )
K7GW	Adware ( 005515ea1 )
Symantec	PUA.Gen.2
ESET-NOD32	Win32/InstallCore.ZAE potentially unwanted
TrendMicro-HouseCall	TROJ_GEN.R002H07CD24
Kaspersky	not-a-virus:HEUR:Downloader.Win32.Gamini.gen
Avast	NSIS:Loderka-AF [PUP]
F-Secure	Adware.ADWARE/Loderka.Gen
Sophos	Generic Reputation PUA (PUA)
Google	Detected
Avira	ADWARE/Loderka.Gen
Microsoft	PUA:Win32/Bitrepeyp.B
ZoneAlarm	not-a-virus:HEUR:Downloader.Win32.Gamini.gen
Cynet	Malicious (score: 99)
Cylance	unsafe
Ikarus	Trojan.Agent
MaxSecure	Trojan.Malware.74662109.susgen
Fortinet	Adware/Loderka
AVG	NSIS:Loderka-AF [PUP]
DeepInstinct	MALICIOUS
CrowdStrike	win/grayware_confidence_90% (W)

How to remove NSIS:Loderka-AF [PUP]?

NSIS:Loderka-AF [PUP] 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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