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zyannir.dll

Ivan Malygin

The module zyannir.dll by Ivan Malygin has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is also typically executed from the user's temporary directory.
Publisher:
Ivan Malygin  (signed and verified)

MD5:
981600446a4ba067bba98c5bfdcff946

SHA-1:
8ce03dca8b0e41b2785a992180c9f2bddcaac642

SHA-256:
0a5464b5835ef33947679fdbdd83be771662ed148f60c0158724df5a50190997

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.

Analysis date:
4/28/2024 3:11:48 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
17.1.27.23

File size:
336.4 KB (344,424 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\zyannir.dll

Digital Signature
Signed by:
Ivan Malygin

Authority:
Thawte, Inc.

Valid from:
11/24/2014 5:00:00 AM

Valid to:
11/20/2015 4:59:59 AM

Subject:
CN=Ivan Malygin, OU=Individual Developer, O=No Organization Affiliation, L=Moscow, S=Moscow, C=RU

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
40EB557150093D94F37AD68867A18354

File PE Metadata
Compilation timestamp:
3/23/2015 3:49:35 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x29F41

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 9E, C0, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, CC, 15, 00, 10, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 20, 11, 00, 10, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 8B, 45, 08, 33, C9, 3B, 04, CD, 00, 95, 04, 10...
 
[+]

Code size:
285.5 KB (292,352 bytes)

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