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77955612-7959-b996-cec9-230a84c02e86_1d1bf65c53a8b89

Pekemac

InstallFlash (New Media Holdings Ltd.)

The file 77955612-7959-b996-cec9-230a84c02e86_1d1bf65c53a8b89, “Pekemac Setup ” by InstallFlash (New Media Holdings) 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 plants-vs-zombies.software.informer.com and multiple other hosts.
Publisher:
InstallFlash (New Media Holdings Ltd.)  (signed and verified)

Product:
Pekemac

Description:
Pekemac Setup

Version:
1.7.3.3

MD5:
8b4efcb2e2a45fa6a9b0e2648b8b1fc0

SHA-1:
ff7b4b9bc26a2b8ea20198643ae33ac8cdb5b159

SHA-256:
8a03d9ca199639dd6b953fcf69c3ef1450f2ccda4f90a46754c1673d67f96542

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:
12/28/2024 1:36:40 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.NewMedia.NMH.Bundler (M)
16.6.5.6

File size:
936.5 KB (958,976 bytes)

Product version:
3.8.6

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\ProgramData\microsoft\microsoft antimalware\scans\filesstash\77955612-7959-b996-cec9-230a84c02e86_1d1bf65c53a8b89

Digital Signature
Signed by:
InstallFlash (New Media Holdings Ltd.)

Authority:
GlobalSign nv-sa

Valid from:
12/17/2015 2:06:25 PM

Valid to:
6/8/2016 5:35:22 PM

Subject:
CN=InstallFlash (New Media Holdings Ltd.), O=InstallFlash (New Media Holdings Ltd.), L=Tel Aviv, C=IL

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

Serial number:
112118D12CDC9140CD3952184E51D0811E3D

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:UVFnY1brW5m4pSK2a0//XV3gidmkeA+RSGazDe:U3YB62a0//X3JcSy

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...
 
[+]

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

Code size:
37 KB (37,888 bytes)

The file 77955612-7959-b996-cec9-230a84c02e86_1d1bf65c53a8b89 has been seen being distributed by the following 2 URLs.

http://plants-vs-zombies.software.informer.com/.../

http://www.downloadbulkclean.com/c?x=SN3 elhPbMu7fT6BkHW377sfngBCHeEoRCbCRNlU3PY=&c=tO0El2magX9WzuPCass RvCW3ztw3MSRL0FML/VQ10utjaKVrQieMJmzabnw7cwuapF1Omm9aJ4paG2wjA2Uv5AlNylZt6NzMUh3 Bf2GEvzYiHdFk4gE8uDE1RfGTwk&downloadAs=plantsvszombiessetup_1_2.exe&fallback_url=http://downloads.popcap.com/www/.../PlantsVsZombiesSetup_1_2.exe

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