viber.exe

Tokecak

Webcellence Ltd.

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application viber.exe, “Tokecak Setup ” by Webcellence has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer. The file has been seen being downloaded from www.giftnewgift.com.
Publisher:
Webcellence Ltd.  (signed and verified)

Product:
Tokecak

Description:
Tokecak Setup

Version:
2.5.3.5

MD5:
b3867cb77b1bcc5944a6f0bbd50d2cfe

SHA-1:
ae84c60ef38ac60fa5dd0ead6b7c8eea32dc136e

SHA-256:
dd509eeb6219bbd703563715bc354b8fcec3f0ce4e3d506f8c3de338c39b58d3

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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:
12/24/2024 4:45:05 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
17.3.16.12

File size:
1.2 MB (1,288,576 bytes)

Product version:
1.8

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\viber.exe

Digital Signature
Authority:
thawte, Inc.

Valid from:
2/4/2016 2:00:00 AM

Valid to:
2/4/2017 1:59:59 AM

Subject:
CN=Webcellence Ltd., OU=IT, O=Webcellence Ltd., L=ORA, S=Israel, C=IL

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
2A9FE0366B280B65E2788E33BDF8123E

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.9752

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
39.5 KB (40,448 bytes)

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

http://www.giftnewgift.com/pr_L_d8CiF06dDa0LDqpR Gz_FuvIM_V76THDDF6fmJH3_vk5lRYiH9_W7u4_lwjPezIdDZxCKluN5chAKby cY7FiTE7CAfFq1Y3OkWLne zpH65Kd Nm18_BriDHOuLWETB6Bpi8EtzvIw86hl7m3cSwc0XmCY16hoXK4WpUfkO_ECuLMt6xDny0uP8fwguzRV8FacXgDk06uyHEh2FGohLCWfR5GL6FWaAqoxjlbwQrPGsFXNoaUz1IQTPaztYveL7SnKPYeGcr1uDTjUP9wuuBHrSYxsSSTZAfFmIfJr2AZ8A8FR2QdzO86hfVFkMrfnf27E_6NHcWtiqcThlNgxlnVO94DUmu_ZY1b7F6OHnkwShgFAc7nsE0Ez2 C6NDZq3wmRuqDwseBMhwdyrJNWUm9a3K8yy8WnNZ8y_Bzu1XXPuNro9vDoIt0HRS7crWPvVATeT9C5x_FBe9tDCe3AasC9jpuxd5a2NEob 0fh44CslJiP0TlSmbe1dnCYrWRfKx_tvOZOd6Ilh mJuAqQE9stj6Hru6uL UoYvCNYuGvNxMA=-G5YAAGRpXUu7KLxQOiCdnLYFil_JVyBhgHnLOb1h VA0pR8DraN9z_V3Y3rAVc83 OjswE5hdRaYpqB5T4VVGQaPRk_ib53K57ju5sumO4KKa4O6tsCZlGMc037IM6JAR0=-e

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