ocmainpack.exe

Downloadnow Ltd

The application ocmainpack.exe by Downloadnow has been detected as adware by 9 anti-malware scanners. The program is a setup application that uses the OneClickDownload Installer installer. The file has been seen being downloaded from files.download1click.ws.
Publisher:
Downloadnow Ltd  (signed and verified)

MD5:
d2eb2e0f71f4c77d06ea22f3f65dab0a

SHA-1:
a9d051178e900a214dcc4fa8965ef62376f547fc

SHA-256:
af70e4f96b018f64089da06a3b5d9106868dbb9480cec015f51e88e2f16901f2

Scanner detections:
9 / 68

Status:
Adware

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:
11/16/2024 10:02:26 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Oneclickdown-A [PUP]
2014.9-140131

AVG
AdInstaller.OneClickDownload
2015.0.3578

Bkav FE
W32.Clod0ca.Trojan
1.3.0.4613

Dr.Web
Adware.Downware.384
9.0.1.031

ESET NOD32
Win32/Adware.1ClickDownload
8.9293

Fortinet FortiGate
Riskware/1ClickDownload
1/31/2014

McAfee
Artemis!EF0855D8C18C
5600.7234

NANO AntiVirus
Trojan.Win32.1ClickDownload.yqbuj
0.28.0.57029

Reason Heuristics
PUP.Downloadnow.K
14.8.7.19

File size:
785.3 KB (804,104 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OneClickDownload Installer (using Nullsoft Install System)

Common path:
C:\Program Files\1clickdownload\ocmainpack.exe

Digital Signature
Signed by:

Authority:
Thawte, Inc.

Valid from:
4/12/2012 7:00:00 PM

Valid to:
4/13/2013 6:59:59 PM

Subject:
CN=Downloadnow Ltd, O=Downloadnow Ltd, L=Limassol, S=Limassol County, C=CY

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

Serial number:
16B7670FC14AA2B216D5329335628558

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:EhMIGc7IQrDBeX4/F7z+zosp9KefZHj1XD26MqJS5qWren662QvL/F:hIG0E4JbM9Ke9Za8cj62QD/F

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:
7.9885

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

The file ocmainpack.exe has been seen being distributed by the following URL.

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