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newtab_setup.exe

Sergei Ivanovich Drozdov

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 Sergei Ivanovich Drozdov has been detected as adware by 24 anti-malware scanners. The program is a setup application that uses the WebPick InstalleRex installer. It is built using the Crossrider cross-browser extension platform. While the file utilizes the Crossrider framework and delivery services, it is not owned by Crossrider.
Publisher:
Sergei Ivanovich Drozdov  (signed and verified)

MD5:
4dc84935396803867fac505458370aee

SHA-1:
af6dde8321e709251da3c3098245b1bd45b42812

SHA-256:
62f0536675c4ee1916ea8780bfc9e23dde5c410ed680ea9e4193cab6a54985b8

Scanner detections:
24 / 68

Status:
Adware

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

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/26/2024 7:43:41 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.Dropper.101
1022

Agnitum Outpost
PUA.MultiPlug
7.1.1

AhnLab V3 Security
Adware/Win32.BHO
14.04.19

Avira AntiVirus
ADWARE/Adware.Gen7
7.11.142.138

avast!
Win32:MultiPlug-AA [PUP]
2014.9-140419

AVG
Generic_r
2015.0.3500

Bitdefender
Gen:Variant.Adware.Dropper.101
1.0.20.545

Comodo Security
Application.Win32.MegaSearch.ATH
18082

Dr.Web
Trojan.Crossrider.4243
9.0.1.0109

Emsisoft Anti-Malware
Gen:Variant.Adware.Dropper.101
8.14.04.19.07

ESET NOD32
Win32/AdWare.MultiPlug (variant)
8.9662

Fortinet FortiGate
Riskware/PUP
4/19/2014

F-Secure
Gen:Variant.Adware.Dropper.101
11.2014-19-04_7

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

IKARUS anti.virus
Win32.SuspectCrc
t3scan.1.6.1.0

Malwarebytes
PUP.Optional.MultiPlug.A
v2014.04.19.07

McAfee
PUP-FID!4DC849353968
5600.7156

MicroWorld eScan
Gen:Variant.Adware.Dropper.101
15.0.0.327

NANO AntiVirus
Trojan.Win32.Crossrider.curnem
0.28.0.59048

Panda Antivirus
Trj/Genetic.gen
14.04.19.07

Reason Heuristics
PUP.Installer.SergeiIvanovichDrozdov.M
14.4.19.7

Rising Antivirus
PE:Malware.MultiPlug!6.13CF
23.00.65.14417

Sophos
MultiPlug
4.98

VIPRE Antivirus
Trojan.Win32.Generic
28194

File size:
1.5 MB (1,615,432 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
WebPick InstalleRex

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

Digital Signature
Signed by:
Sergei Ivanovich Drozdov

Authority:
Unizeto Technologies S.A.

Valid from:
1/8/2014 7:24:34 PM

Valid to:
1/8/2015 7:24:34 PM

Subject:
E=drozdov54@hotmail.com, CN="Open Source Developer, Sergei Ivanovich Drozdov", OU=Sedro Soft, O=Sergei Ivanovich Drozdov, C=RU

Issuer:
CN=Certum Level III CA, OU=Certum Certification Authority, O=Unizeto Technologies S.A., C=PL

Serial number:
4E05AFB21C1318DB8A2C0669760C9050

File PE Metadata
Compilation timestamp:
3/3/2014 11:27:10 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
24576:toiZSqCFfpFY81oUu88XB6VEpUt+mimXgLYnMGQt4SU2iL8qfudwR/5dcx:FZ0B2UX8MupueLYl72M8qMwbdcx

Entry address:
0x10BAB

Entry point:
E8, BE, 4A, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 88, 21, 42, 00, E8, 9F, 21, 00, 00, E8, E0, 07, 00, 00, 0F, B7, F0, 6A, 02, E8, 51, 4A, 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, 10, 38, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
7.9065  (probably packed)

Code size:
103.5 KB (105,984 bytes)

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

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

TCP (HTTP):
Connects to c1.stylezip.info  (54.186.255.26:80)

 
http://c1.stylezip.info/?step_id=1&installer_id=4115580&publisher_id=115&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=12346740&external_id=0&session_id=24693480&hardware_id=28809060&installer_file_name=newtab_setup

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