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setup_efas_en.exe

eFast

The program is a setup application that uses the Inno Setup installer. The file has been seen being downloaded from dl.kochialaetum.com.
Publisher:
eFast

Product:
eFast

Description:
eFast Setup

MD5:
de5bcbcbf72e3c406801b2cd3b51f0ea

SHA-1:
cd781b0872046e5d464aedaef01be66f0baee4dd

SHA-256:
c8a94fbf78dd763ec4c06747ff6ae0d797f386b49f4d9be63755e4e55f4f5704

Scanner detections:
2 / 68

Status:
Inconclusive  (not enough data for an accurate detection)

Analysis date:
8/2/2025 11:12:32 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

ESET NOD32
Win32/Adware.EoRezo.BD (variant)
9.12533

Sophos
Generic PUA MN (PUA)
4.98

File size:
428.2 KB (438,468 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

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

File PE Metadata
Compilation timestamp:
6/20/1992 8:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:eQi9L2SA/h6m6URA3Phng0UUl42cATvxsZh6Qz7o:eQiV2ihhVlvcAb+Ho

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:
7.9251

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

Code size:
39.5 KB (40,448 bytes)

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

http://dl.kochialaetum.com/download/hq/p010/.../setup_efas_en.exe

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