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browsecoupon_setup.exe

Kiril Klimko

The is the installer for the WebPick InstalleRex download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed without consent. The application browsecoupon_setup.exe by Kiril Klimko has been detected as adware by 23 anti-malware scanners. The program is a setup application that uses the WebPick InstalleRex installer. It is built using the Crossrider cross-browser extension toolkit. While the file utilizes the Crossrider framework and delivery services, it is not owned by Crossrider.
Publisher:
Kiril Klimko  (signed and verified)

MD5:
9e97c033915fa47f28f868fd6f885aad

SHA-1:
c63c3d2285b9643d84a7bfe83aaf074ce4df12b0

SHA-256:
b9e1bb99d0246d57b50ce292a376a22efcbd204337d9d6cf8e83d14d5ec5b0df

Scanner detections:
23 / 68

Status:
Adware

Explanation:
JustPlugIt cross-browser extension/BHO delivered via adware installer (WebPick InstalleRex) and includes background service (AssistantSvc). Randomizes files names.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/26/2024 8:49:02 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.Dropper.101
1017

Agnitum Outpost
PUA.MultiPlug
7.1.1

Avira AntiVirus
ADWARE/Adware.Gen7
7.11.145.40

avast!
Win32:MultiPlug-AC [PUP]
2014.9-140424

AVG
Generic5
2015.0.3495

Bitdefender
Gen:Variant.Adware.Dropper.101
1.0.20.570

Comodo Security
Application.Win32.Multiplug.R
18160

Dr.Web
Trojan.Crossrider.5139
9.0.1.0114

Emsisoft Anti-Malware
Gen:Variant.Adware.Dropper.101
8.14.04.24.11

ESET NOD32
Win32/AdWare.MultiPlug (variant)
8.9718

F-Secure
Gen:Variant.Adware.Dropper.101
11.2014-24-04_5

G Data
Gen:Variant.Adware.Dropper.101
14.4.24

IKARUS anti.virus
Win32.SuspectCrc
t3scan.1.6.1.0

K7 AntiVirus
Adware
13.176.11873

Malwarebytes
PUP.Optional.MultiPlug.A
v2014.04.24.11

McAfee
PUP-FID!9E97C033915F
5600.7151

MicroWorld eScan
Gen:Variant.Adware.Dropper.101
15.0.0.342

NANO AntiVirus
Trojan.Win32.Crossrider.cvopfn
0.28.0.59492

Panda Antivirus
Trj/Genetic.gen
14.04.24.11

Reason Heuristics
PUP.Installer.KirilKlimko.S
14.4.24.11

Rising Antivirus
PE:Malware.MultiPlug!6.13CF
23.00.65.14422

Sophos
MultiPlug
4.98

VIPRE Antivirus
JustPlugIt
28570

File size:
624.6 KB (639,600 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
WebPick InstalleRex

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\addons\browsecoupon_setup.exe

Digital Signature
Signed by:
Kiril Klimko

Authority:
COMODO CA Limited

Valid from:
9/3/2013 1:00:00 AM

Valid to:
9/4/2014 12:59:59 AM

Subject:
CN=Kiril Klimko, O=Kiril Klimko, STREET=Perova 21, L=Kiev, S=Kiev, PostalCode=02125, C=UA

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
4F8445DA07CAF9C24D869920925BA182

File PE Metadata
Compilation timestamp:
3/16/2014 12:34:27 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
12288:h/36Cpd8FZT6YLSJG0tMRvdJdw55fW5J3hDsuFTS0zIiz:h/3ZkZT3WG0tMrJ6ejRDsYI+

Entry address:
0x10A4B

Entry point:
E8, 3E, 4A, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, B8, 21, 42, 00, E8, 1F, 21, 00, 00, E8, E0, 07, 00, 00, 0F, B7, F0, 6A, 02, E8, D1, 49, 00, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 40, 00, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 40, 00, 75, DD, 33, DB, 83, B8, 74, 00, 40, 00, 0E, 76, 09, 39, 98, E8, 00, 40, 00, 0F, 95, C3, 89, 5D, E4, E8, 90, 37, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
7.7476  (probably packed)

Code size:
103 KB (105,472 bytes)

The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to r1.stylezip.info  (54.186.255.26:80)

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