gomplayersetup.exe

GOM Player

GRETECH

The application gomplayersetup.exe, “GOM Player Setup File” by GRETECH has been detected as a potentially unwanted program by 4 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages. The file has been seen being downloaded from dnlimit3.simfile.uplusbox.co.kr and multiple other hosts.
Publisher:
Gretech Corporation  (signed by GRETECH)

Product:
GOM Player

Description:
GOM Player Setup File

Version:
2.2

MD5:
708ebdd9a20050e685f53430645f19f6

SHA-1:
fe27c5abd21430bd0945ae6711fff1ba0901b0b2

SHA-256:
8492500f66144ce34f9ff4e2df6950921f7776855d1e79bffc29689259e74243

Scanner detections:
4 / 68

Status:
Potentially unwanted

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
11/15/2024 11:21:56 AM UTC  (today)

Scan engine
Detection
Engine version

Bkav FE
W32.HfsAdware
1.3.0.7383

Reason Heuristics
PUP.GRETECH.GretechC.Installer.Meta (L)
16.6.10.10

Vba32 AntiVirus
suspected of Trojan.Downloader.gen.h
3.12.26.4

Zillya! Antivirus
Adware.BrowseFox.Win32.162359
2.0.0.2573

File size:
22.3 MB (23,417,176 bytes)

Product version:
2.2.77.5240

Copyright:
Copyright(C) Since 2003

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\gomplayersetup.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
5/17/2015 5:00:00 PM

Valid to:
6/16/2017 4:59:59 PM

Subject:
CN=GRETECH, O=GRETECH, L=Gangnam-gu, S=Seoul, C=KR

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
11D67F2AF7440EBA275E7E62F6B634FF

File PE Metadata
Compilation timestamp:
12/5/2009 2:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
393216:N+3l4owB+AhmCMDRRSjlE08TOy8Ox6MqGFXSXdshA3XVRbniJnWBPLT81Ow/:N+j3cywKqlOcMNXSNMMV5iqPLTRw/

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.9999

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file gomplayersetup.exe has been seen being distributed by the following 7 URLs.

http://dnlimit3.simfile.uplusbox.co.kr/.../httpdown.cgi?orgfname=GOMPLAYERSETUP.EXE&filename=SS9WRVJDUnFULVdDSHVPd0p0NyxKaUl0TFJhYUxPLmVIT0MuS2VULkxTRS5LeEY4

http://dnplus3.simfile.uplusbox.co.kr/.../httpdown.cgi?orgfname=GOMPLAYERSETUP.EXE&filename=SS9WRVJDUnFULVdDSHVPd0p0NyxKaUl0TFJhYUxPLmVIT0MuS2VUdExDUS1MaFI4

http://dnlimit2.simfile.uplusbox.co.kr/.../httpdown.cgi?orgfname=GOMPLAYERSETUP.EXE&filename=SS9WRVJDUnFULVdDSHVPd0p0NyxKaUl0TFJhYUxPLmVIT0MuS3VQdktpPXVMaFI4

http://dnlimit2.simfile.uplusbox.co.kr/.../httpdown.cgi?orgfname=GOMPLAYERSETUP.EXE&filename=SS9WRVJDUnFULVdDSHVPd0p0NyxKaUl0TFJhYUxPLmVIT0MuS3VqdkpTSXJMUk44

http://dnlimit2.simfile.uplusbox.co.kr/.../httpdown.cgi?orgfname=GOMPLAYERSETUP.EXE&filename=SS9WRVJDUnFULVdDSHVPd0p0NyxKaUl0TFJhYUxPLmVIT0MuS09Qdkt5Z3JLQj44

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