vobsub_2.23_downloader.exe

Digital Digest Pty Ltd

The application vobsub_2.23_downloader.exe by Digital Digest Pty has been detected as a potentially unwanted program by 15 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. While running, it connects to the Internet address hwcdn.net on port 80 using the HTTP protocol.
Publisher:
Digital Digest Pty Ltd  (signed and verified)

MD5:
7153634cb1275661848faea6915bfc22

SHA-1:
319e82507179e62b7241aa2fefc3715776437567

SHA-256:
118d5ba7d655b8926f3dac4924001176471b55f0f26df1f0b414cf6f5594e9f9

Scanner detections:
15 / 68

Status:
Potentially unwanted

Explanation:
Bundles additional software, mostly toolbars and other potentially unwanted applications using the Vittalia monitization installer.

Analysis date:
11/23/2024 6:03:20 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.DownloadAdmin
2015.06.18

Avira AntiVirus
PUA/DownloadAdmin.Gen
8.3.1.6

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Trojan.Downloadadmin
0.98/20578

Comodo Security
Application.Win32.DownloadAdmin.ALDR
22492

Dr.Web
Trojan.Vittalia.74
9.0.1.05190

ESET NOD32
Win32/DownloadAdmin.I potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/Generic.AC.6247
6/18/2015

F-Prot
W32/S-8649671e
v6.4.7.1.166

G Data
Win32.Adware.DownloadAdmin
15.6.25

NANO AntiVirus
Trojan.Win32.XPACK.dprfbr
0.30.24.2086

Reason Heuristics
Threat.Win.Reputation.IMP
15.6.18.7

Vba32 AntiVirus
Downloader.Agent
3.12.26.4

VIPRE Antivirus
Threat.4783369
40830

File size:
655.5 KB (671,272 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\vobsub_2.23_downloader.exe

Digital Signature
Authority:
COMODO CA Limited

Valid from:
3/13/2015 1:00:00 AM

Valid to:
3/13/2016 12:59:59 AM

Subject:
CN=Digital Digest Pty Ltd, O=Digital Digest Pty Ltd, POBox=3106, STREET=59 Newmans Road, L=Templestowe, S=Victoria, PostalCode=3106, C=AU

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

Serial number:
4495917089BDE4B13A2C2901E1C95EF7

File PE Metadata
Compilation timestamp:
1/29/2015 7:35:11 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:zU77yFEI83OIALCk5UPS1eE/TdwA+gVqNFeM6snPQ7hpjuV+yv:zUfyH83OIAOCTdZpquM6sncRcv

Entry address:
0x234A

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 78, 73, 40, 00, 33, F6, C6, 44, 24, 14, 20, E8, F8, FD, FF, FF, FF, 15, 30, 77, 40, 00, 68, 01, 80, 00, 00, FF, 15, C0, 70, 40, 00, 53, FF, 15, 2C, 77, 40, 00, 6A, 08, A3, 98, 3D, 42, 00, E8, DD, F9, FF, FF, 53, 68, 60, 01, 00, 00, A3, A0, 3C, 42, 00, 8D, 44, 24, 38, 50, 53, 68, 0B, 74, 40, 00, FF, 15, 50, 71, 40, 00, 68, 00, 74, 40, 00, 68, A0, 34, 42, 00, E8, 5A, F3, FF, FF, FF, 15, BC, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

TCP (HTTP):
Connects to svr02.digital-digest.com  (67.19.19.130:80)

TCP (HTTP):
Connects to st-sh-us-dc1-002.s.dss.vg  (208.91.197.27:80)

TCP (HTTP):
Connects to server-54-230-52-104.jfk6.r.cloudfront.net  (54.230.52.104:80)

TCP (HTTP):
Connects to server-54-192-55-20.jfk6.r.cloudfront.net  (54.192.55.20:80)

TCP (HTTP):
Connects to server-54-192-55-15.jfk6.r.cloudfront.net  (54.192.55.15:80)

TCP (HTTP):
Connects to server-54-192-55-136.jfk6.r.cloudfront.net  (54.192.55.136:80)

TCP (HTTP):
Connects to server-54-192-54-182.jfk6.r.cloudfront.net  (54.192.54.182:80)

TCP (HTTP SSL):
Connects to s3-1.amazonaws.com  (54.231.10.56:443)

TCP (HTTP):
Connects to hwcdn.net  (69.16.175.42:80)

TCP (HTTP):
Connects to ec2-54-208-23-129.compute-1.amazonaws.com  (54.208.23.129:80)

TCP (HTTP):
Connects to digital-digest.com  (67.228.82.83:80)

TCP (HTTP):
Connects to a23-67-250-122.deploy.static.akamaitechnologies.com  (23.67.250.122:80)

TCP (HTTP):

TCP (HTTP):

TCP (HTTP):

TCP (HTTP):
Connects to a1plpkivs-v03.any.prod.ash1.secureserver.net  (72.167.239.239:80)

TCP (HTTP):
Connects to 50.22.63.140-static.reverse.softlayer.com  (50.22.63.140:80)

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