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mrswitcher.exe

Mail.Ru Switcher

Mail.Ru LLC

The file mrswitcher.exe by Mail.Ru has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. While running, it connects to the Internet address app-gw2.argonlabs.ru on port 80 using the HTTP protocol.
Publisher:
Mail.Ru  (signed by Mail.Ru LLC)

Product:
Mail.Ru Switcher

Version:
3.9.0.8

MD5:
3b0d26800315924eca8a01dd64be062e

SHA-1:
25ebcf90ae321b32747208f85e6165d85f5c0285

SHA-256:
1894a70af6a93c17e1f65a32f3455ac0bd35abe7ded1dbd5f69914547d9c8b37

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
5/11/2025 6:56:33 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Bundler (M)
17.1.5.16

File size:
1.8 MB (1,918,592 bytes)

Product version:
3.9.0.8

Copyright:
Copyright 2015

Original file name:
mrswitcher.exe

Common path:
C:\users\{user}\appdata\local\temp\upd1434.tmp

Digital Signature
Signed by:
Mail.Ru LLC

Authority:
Symantec Corporation

Valid from:
7/6/2016 5:00:00 AM

Valid to:
7/7/2017 4:59:59 AM

Subject:
CN=Mail.Ru LLC, O=Mail.Ru LLC, L=Moscow, S=Moscow, C=RU

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
16F89FF5A6CD11A76E9963DAC485D65F

File PE Metadata
Compilation timestamp:
10/3/2016 1:57:03 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
49152:FWQmZsL6ywm8TyvttdLI43Tuo2QMDkpz9zUkauMPp:FWg6ywmqyltlTuo2Q5J9j8

Entry address:
0xA22D2

Entry point:
E8, B2, EA, 00, 00, E9, 7F, FE, FF, FF, CC, CC, CC, CC, E9, 37, 18, 00, 00, FF, 35, BC, 59, 5C, 00, FF, 15, B8, F1, 57, 00, 85, C0, 74, 02, FF, D0, 6A, 01, 6A, 00, E8, E5, AB, 00, 00, 59, 59, E9, FD, AB, 00, 00, 55, 8B, EC, 83, EC, 10, EB, 0D, FF, 75, 08, E8, 38, EE, 00, 00, 59, 85, C0, 74, 11, FF, 75, 08, E8, 70, 3D, 00, 00, 59, 85, C0, 74, E6, 8B, E5, 5D, C3, 6A, 01, 8D, 45, FC, C7, 45, FC, 28, 31, 58, 00, 50, 8D, 4D, F0, E8, 6B, 08, 00, 00, 68, A8, 06, 5B, 00, 8D, 45, F0, C7, 45, F0, 20, 31, 58, 00, 50...
 
[+]

Code size:
1.5 MB (1,563,648 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to mrds.mail.ru  (217.69.139.245:80)

TCP (HTTP SSL):
Connects to moscow.cdnmail.ru  (217.69.139.110:443)

TCP (HTTP SSL):
Connects to conserv.go.mail.ru  (217.69.139.122:443)

TCP (HTTP):
Connects to app-gw2.argonlabs.ru  (178.33.195.199:80)

TCP (HTTP):
Connects to offergate.pro  (88.208.62.21:80)

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