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openkeyword_silent.exe

Maroin Co., Ltd

The application openkeyword_silent.exe by Maroin Co. has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from an Internet Explorer cache folder.
Publisher:
Maroin Co., Ltd  (signed and verified)

MD5:
e0af1a7be35dd02e3aefc57f928b1158

SHA-1:
ecc79ce5b9443c77e88d4453b6727047c0a30704

SHA-256:
c480bfbfc63b63f02f2a452960de0c8c3090924a230e0b30e78923d827d378e6

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
4/24/2024 12:07:14 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
17.1.30.2

File size:
148.7 KB (152,240 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Signed by:
Maroin Co., Ltd

Authority:
Thawte, Inc.

Valid from:
1/14/2013 9:00:00 AM

Valid to:
1/15/2014 8:59:59 AM

Subject:
CN="Maroin Co., Ltd", OU=Dev Team, O="Maroin Co., Ltd", L=Haeundae-gu, S=Busan, C=KR

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
45D35AE0597265A616314A55E3EBE91B

File PE Metadata
Compilation timestamp:
12/6/2009 7:50:41 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 3F, 42, 00, E8, F1, 2B, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 36, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.8054

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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