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boxrock.expext.exe

Box Rock

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application boxrock.expext.exe by Box Rock has been detected as adware by 24 anti-malware scanners. 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.
Publisher:
Box Rock  (signed and verified)

Version:
1.0.6242.39491

MD5:
57182785c61cc41f99f871ae16e3d982

SHA-1:
de55544bb9dfab8fe7d87c5c66fcbdfe5a395e61

SHA-256:
2c876f3c6210e80d92adb80955fe05c52c71c6fd45d8bfb63c2b57b085ae7565

Scanner detections:
24 / 68

Status:
Adware

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

Analysis date:
4/19/2024 2:00:13 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.AT
6473648

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2015.01.29

Avira AntiVirus
ADWARE/BrowseFox.Gen2
7.11.205.178

avast!
Win32:BrowseFox-EZ [PUP]
150126-0

AVG
Generic
2016.0.3215

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15128

Bitdefender
Adware.BrowseFox.AT
1.0.20.140

Clam AntiVirus
Win.Adware.Agent-33263
0.98/19988

Emsisoft Anti-Malware
Adware.BrowseFox.AT
9.0.0.4799

ESET NOD32
Win32/BrowseFox.AA potentially unwanted application
7.0.302.0

F-Prot
W32/S-43570a6e
v6.4.7.1.166

F-Secure
Adware.BrowseFox.AT
11.2015-28-01_4

G Data
Adware.BrowseFox.AT
15.1.25

K7 AntiVirus
Trojan
13.193.14786

McAfee
BrowseFox-FVA
5600.6871

MicroWorld eScan
Adware.BrowseFox.AT
16.0.0.84

NANO AntiVirus
Riskware.Win32.BrowseFox.dlbjxp
0.30.0.65070

nProtect
Adware.BrowseFox.AT
15.01.28.01

Qihoo 360 Security
HEUR/QVM10.1.Malware.Gen
1.0.0.1015

Reason Heuristics
Adware.Yontoo.BoxRock
15.1.28.12

SUPERAntiSpyware
Adware.BrowserFox/Variant
10088

VIPRE Antivirus
Threat.4150696
36694

Zillya! Antivirus
Trojan.Katusha.Win32.36591
2.0.0.2048

File size:
99.2 KB (101,608 bytes)

Product version:
1.0.6242.39491

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Program Files\box rock\bin\boxrock.expext.exe

Digital Signature
Signed by:
Box Rock

Authority:
VeriSign, Inc.

Valid from:
10/7/2014 1:00:00 AM

Valid to:
10/3/2015 12:59:59 AM

Subject:
CN=Box Rock, O=Box Rock, L=San Diego, S=California, C=US

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:
1125198B1C5DF8CC1185255178F1DAFC

File PE Metadata
Compilation timestamp:
1/28/2015 6:40:40 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
1536:DB614HJY7I0C+Z/gEWGnadKCxXfPWK6tHEkinMB9uocyVgkRke:4UJYnCm7YxXf+K6tRcyVg6ke

Entry address:
0x561E

Entry point:
E8, AB, 3C, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, 7D, 08, 00, 74, 2D, FF, 75, 08, 6A, 00, FF, 35, 64, 7F, 41, 00, FF, 15, 4C, 20, 41, 00, 85, C0, 75, 18, 56, E8, 2F, 08, 00, 00, 8B, F0, FF, 15, 68, 20, 41, 00, 50, E8, DF, 07, 00, 00, 59, 89, 06, 5E, 5D, C3, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 69, 33, C0, 8A, 44, 24, 08, 84, C0, 75, 16, 81, FA, 80, 00, 00, 00, 72, 0E, 83, 3D, C0, 91, 41, 00, 00, 74, 05, E9, CD, 3C, 00, 00, 57, 8B...
 
[+]

Entropy:
6.4309

Code size:
65.5 KB (67,072 bytes)

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