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newtab_setup.exe

Anton Kulichenko

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 newtab_setup.exe by Anton Kulichenko has been detected as adware by 28 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:
Anton Kulichenko  (signed and verified)

MD5:
8ff9c07d760345b535c37675db599a2b

SHA-1:
0efc84e552e358d16af59b860c4e87df30c6e928

SHA-256:
4b5e37c9000c46c7b1f05e67f192753f96430a9ef3b1ef914abdf42b680c120e

Scanner detections:
28 / 68

Status:
Adware

Explanation:
The software may change the browser's home page and search provider settings as well as display advertisements.

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 1:31:00 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.Dropper.101
867

Agnitum Outpost
PUA.MultiPlug
7.1.1

AhnLab V3 Security
Malware/Win32.Suspicious
2014.09.21

Avira AntiVirus
ADWARE/Adware.Gen
7.11.173.134

avast!
Win32:MultiPlug-Z [PUP]
140908-2

AVG
Adware Generic_r.HY
2014.0.4015

Bitdefender
Gen:Variant.Adware.Dropper.101
1.0.20.1315

Clam AntiVirus
Win.Adware.Agent-6714
0.98/19410

Comodo Security
Application.Win32.Multiplug.GETF
19572

Dr.Web
Trojan.Crossrider.37
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Adware.Dropper.101
14.09.20

ESET NOD32
Win32/AdWare.MultiPlug.R application
7.0.302.0

F-Prot
W32/MultiPlug.B.gen
v6.4.7.1.166

F-Secure
Gen:Variant.Adware.Dropper.101
11.2014-20-09_7

G Data
Gen:Variant.Adware.Dropper.101
14.9.24

IKARUS anti.virus
Win32.SuspectCrc
t3scan.1.7.8.0

K7 AntiVirus
Unwanted-Program
13.183.13432

Kaspersky
not-a-virus:HEUR:AdWare.Win32.Agent
14.0.0.3221

McAfee
PUP-FID
5600.7001

MicroWorld eScan
Gen:Variant.Adware.Dropper.101
15.0.0.789

NANO AntiVirus
Trojan.Win32.Crossrider.cufkrp
0.28.2.62151

Panda Antivirus
Trj/Genetic.gen
14.09.20.08

Quick Heal
AdWare.MultiPlug.r5 (Not a Virus)
9.14.14.00

Reason Heuristics
PUP.Installer.AntonKulichenko.M
14.9.20.18

Rising Antivirus
PE:Malware.MultiPlug!6.13CF
23.00.65.14918

Sophos
MultiPlug
4.98

VIPRE Antivirus
Threat.4150696
32938

Zillya! Antivirus
Adware.Agent.Win32.9599
2.0.0.1928

File size:
1.5 MB (1,587,864 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
WebPick InstalleRex

Common path:
C:\Documents and Settings\{user}\Local settings\temp\{random}.tmp\addons\newtab_setup.exe

Digital Signature
Signed by:
Anton Kulichenko

Authority:
COMODO CA Limited

Valid from:
12/3/2013 2:00:00 AM

Valid to:
12/4/2014 1:59:59 AM

Subject:
CN=Anton Kulichenko, O=Anton Kulichenko, STREET=Engineering 7, L=Kiev, S=Kiev, PostalCode=01013, C=UA

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

Serial number:
00E406368A873FE17B8962DA09A05F7B2E

File PE Metadata
Compilation timestamp:
3/3/2014 12:29:50 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
24576:OdLZ9B56lhESdlDeegoqE339OTpqa4+6s64n+nSWguYtz2DOJUfVfw9B:OZ9WzEcajoq6+tqJw+SgYtQkUdwb

Entry address:
0x11EBB

Entry point:
E8, CE, 49, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, F8, 32, 42, 00, E8, AF, 20, 00, 00, E8, E0, 07, 00, 00, 0F, B7, F0, 6A, 02, E8, 61, 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, 20, 37, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
7.8978  (probably packed)

Code size:
108 KB (110,592 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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