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ai_110117.exe

Dihaca

AVSoftware Ltd

The application ai_110117.exe, “Dihaca Setup ” by AVSoftware has been detected as a potentially unwanted program 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 Inno Setup installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from www.contentflashtag.com.
Publisher:
AVSoftware Ltd  (signed and verified)

Product:
Dihaca

Description:
Dihaca Setup

MD5:
55924926d954a341c3748d30eb2805ae

SHA-1:
4983f1027fb34f768debd81018b9f98918dbf6a0

SHA-256:
c2461bc93807db79efac5973329cb8647d5b81835e933b649be7f32460d7f65c

Scanner detections:
1 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Analysis date:
11/6/2024 1:53:16 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AVSoftwa.Installer (M)
16.4.21.17

File size:
975.5 KB (998,864 bytes)

Product version:
2.0

Copyright:
Installer

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\ai_110117.exe

Digital Signature
Signed by:
AVSoftware Ltd

Authority:
GlobalSign nv-sa

Valid from:
12/31/2015 11:55:52 PM

Valid to:
12/31/2016 11:55:52 PM

Subject:
CN=AVSoftware Ltd, O=AVSoftware Ltd, L=Sofia, C=BG

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
112134814B6C56AF7047C195AE1D737EC185

File PE Metadata
Compilation timestamp:
6/20/1992 7:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:0Wu/YC96WfqtPJpGjUaBYA5QC/6Yrub7L/yucbV3V1tHz2r+:Zu59qrGUJ+/5yb7Dyf9VyS

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, BF, A9, FF, FF, E8, 5E, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.9312

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

Code size:
37 KB (37,888 bytes)

The file ai_110117.exe has been seen being distributed by the following URL.

http://www.contentflashtag.com/c?x=A26HZifJMq TiATek HboSn6lDRLxLZWtKKV9trd0eU=&c=GN3sMrgE9QafIdhtyf rqeJihJJVMw5C09jE6j75bxtLmO7Ilj8KGbnzr5vjkbpChF 7xm9Ff aK/nSWzV3FzdMpydxAVSWHe/8cipno3i2MMpSKo2oCyuhXxIVGKg51&downloadAs=AI_110117.exe&fallback_url=http://.../get.php?file=86e465ea&m3

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